Messages not getting to certain domain

We have GFI Mail Essentials running on Exchange 2003.  We allow our Exchange 
5.5 server to relay to the EK23 server.  Since putting this configuration in 
place, we have messages getting stuck on the queue and eventually the sender 
receives a Delivery Status Notification (delay) message back.  Within the 
message it states the following:  smtp; 451 4.1.8 Possibly forged hostname 
for (outside email address).  It also shows the reporting MTA as it looks in 
AD, however, I believe what it is looking for is servername.domainname.

What do I need to do to correct this situation? 

Thanks in advance. 
-- 
DLove
0
dlove106 (37)
6/29/2006 2:21:02 PM
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dlove106 <dlove106@yahoo.com.donotspam> wrote:

>We have GFI Mail Essentials running on Exchange 2003.  We allow our Exchange 
>5.5 server to relay to the EK23 server.  Since putting this configuration in 
>place, we have messages getting stuck on the queue and eventually the sender 
>receives a Delivery Status Notification (delay) message back.  Within the 
>message it states the following:  smtp; 451 4.1.8 Possibly forged hostname 
>for (outside email address).  It also shows the reporting MTA as it looks in 
>AD, however, I believe what it is looking for is servername.domainname.
>
>What do I need to do to correct this situation? 

Configure GFI to allow your 5.5 server to relay.

-- 
Rich Matheisen
MCSE+I, Exchange MVP
MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
Don't send mail to this address mailto:h.pott@getronics.com
Or to these, either: mailto:h.pott@pinkroccade.com mailto:melvin.mcphucknuckle@getronics.com mailto:melvin.mcphucknuckle@pinkroccade.com
0
richnews (7316)
6/29/2006 9:20:24 PM
Thank you Rich for your response.  I was not very clear in the original 
message.  The 5.5 server is configured to relay in GFI.  The problem only 
seems to happen to one domain.  Below is the NDR message that is returned:

The email address could not be found.  Perhaps the recipient moved to a 
different e-mail organization, or there was a mistake in the address.  Check 
the address and try again. <servername.childdomain.parentdomain.com #4.1.8 
smtp;451 4.1.8 Possibly forged hostname for ...>

It is the last part that I believe is the problem.  The above servername 
path is the AD path (internal DNS).  Our MX record shows only 
servername.domainname.com.  All other mail goes out okay.  How do I reconcile 
this difference?  Or am I going down the wrong path in my thinking?

Thank you again for you help.

-- 
DLove


"Rich Matheisen [MVP]" wrote:

> dlove106 <dlove106@yahoo.com.donotspam> wrote:
> 
> >We have GFI Mail Essentials running on Exchange 2003.  We allow our Exchange 
> >5.5 server to relay to the EK23 server.  Since putting this configuration in 
> >place, we have messages getting stuck on the queue and eventually the sender 
> >receives a Delivery Status Notification (delay) message back.  Within the 
> >message it states the following:  smtp; 451 4.1.8 Possibly forged hostname 
> >for (outside email address).  It also shows the reporting MTA as it looks in 
> >AD, however, I believe what it is looking for is servername.domainname.
> >
> >What do I need to do to correct this situation? 
> 
> Configure GFI to allow your 5.5 server to relay.
> 
> -- 
> Rich Matheisen
> MCSE+I, Exchange MVP
> MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
> Don't send mail to this address mailto:h.pott@getronics.com
> Or to these, either: mailto:h.pott@pinkroccade.com mailto:melvin.mcphucknuckle@getronics.com mailto:melvin.mcphucknuckle@pinkroccade.com
> 
0
dlove106 (37)
6/30/2006 3:31:02 PM
If the e-mail address can't be found, then it really doesn't matter whether 
the hostname is potentially forged or not.

What happens if someone on the Exchange 2003 server tries to e-mail this 
address?  Is this a problem that only exists for users on the 5.5 server?

-- 
Ben Winzenz
Exchange MVP
MessageOne
Read my blog!
http://winzenz.blogspot.com
http://feeds.feedburner.com/winzenz (RSS Feed)


"dlove106" <dlove106@yahoo.com.donotspam> wrote in message 
news:5A4B486F-BCB3-4BBA-8B47-406251604917@microsoft.com...
> Thank you Rich for your response.  I was not very clear in the original
> message.  The 5.5 server is configured to relay in GFI.  The problem only
> seems to happen to one domain.  Below is the NDR message that is returned:
>
> The email address could not be found.  Perhaps the recipient moved to a
> different e-mail organization, or there was a mistake in the address. 
> Check
> the address and try again. <servername.childdomain.parentdomain.com #4.1.8
> smtp;451 4.1.8 Possibly forged hostname for ...>
>
> It is the last part that I believe is the problem.  The above servername
> path is the AD path (internal DNS).  Our MX record shows only
> servername.domainname.com.  All other mail goes out okay.  How do I 
> reconcile
> this difference?  Or am I going down the wrong path in my thinking?
>
> Thank you again for you help.
>
> -- 
> DLove
>
>
> "Rich Matheisen [MVP]" wrote:
>
>> dlove106 <dlove106@yahoo.com.donotspam> wrote:
>>
>> >We have GFI Mail Essentials running on Exchange 2003.  We allow our 
>> >Exchange
>> >5.5 server to relay to the EK23 server.  Since putting this 
>> >configuration in
>> >place, we have messages getting stuck on the queue and eventually the 
>> >sender
>> >receives a Delivery Status Notification (delay) message back.  Within 
>> >the
>> >message it states the following:  smtp; 451 4.1.8 Possibly forged 
>> >hostname
>> >for (outside email address).  It also shows the reporting MTA as it 
>> >looks in
>> >AD, however, I believe what it is looking for is servername.domainname.
>> >
>> >What do I need to do to correct this situation?
>>
>> Configure GFI to allow your 5.5 server to relay.
>>
>> -- 
>> Rich Matheisen
>> MCSE+I, Exchange MVP
>> MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
>> Don't send mail to this address mailto:h.pott@getronics.com
>> Or to these, either: mailto:h.pott@pinkroccade.com 
>> mailto:melvin.mcphucknuckle@getronics.com 
>> mailto:melvin.mcphucknuckle@pinkroccade.com
>> 


0
Ben
6/30/2006 4:02:15 PM
I have emailed the same person and received the same result.  My mailbox is 
on the 2003 server.  The problem exists for anyone emailing this domain, not 
just this person.
-- 
DLove


"Ben Winzenz [Exchange MVP]" wrote:

> If the e-mail address can't be found, then it really doesn't matter whether 
> the hostname is potentially forged or not.
> 
> What happens if someone on the Exchange 2003 server tries to e-mail this 
> address?  Is this a problem that only exists for users on the 5.5 server?
> 
> -- 
> Ben Winzenz
> Exchange MVP
> MessageOne
> Read my blog!
> http://winzenz.blogspot.com
> http://feeds.feedburner.com/winzenz (RSS Feed)
> 
> 
> "dlove106" <dlove106@yahoo.com.donotspam> wrote in message 
> news:5A4B486F-BCB3-4BBA-8B47-406251604917@microsoft.com...
> > Thank you Rich for your response.  I was not very clear in the original
> > message.  The 5.5 server is configured to relay in GFI.  The problem only
> > seems to happen to one domain.  Below is the NDR message that is returned:
> >
> > The email address could not be found.  Perhaps the recipient moved to a
> > different e-mail organization, or there was a mistake in the address. 
> > Check
> > the address and try again. <servername.childdomain.parentdomain.com #4.1.8
> > smtp;451 4.1.8 Possibly forged hostname for ...>
> >
> > It is the last part that I believe is the problem.  The above servername
> > path is the AD path (internal DNS).  Our MX record shows only
> > servername.domainname.com.  All other mail goes out okay.  How do I 
> > reconcile
> > this difference?  Or am I going down the wrong path in my thinking?
> >
> > Thank you again for you help.
> >
> > -- 
> > DLove
> >
> >
> > "Rich Matheisen [MVP]" wrote:
> >
> >> dlove106 <dlove106@yahoo.com.donotspam> wrote:
> >>
> >> >We have GFI Mail Essentials running on Exchange 2003.  We allow our 
> >> >Exchange
> >> >5.5 server to relay to the EK23 server.  Since putting this 
> >> >configuration in
> >> >place, we have messages getting stuck on the queue and eventually the 
> >> >sender
> >> >receives a Delivery Status Notification (delay) message back.  Within 
> >> >the
> >> >message it states the following:  smtp; 451 4.1.8 Possibly forged 
> >> >hostname
> >> >for (outside email address).  It also shows the reporting MTA as it 
> >> >looks in
> >> >AD, however, I believe what it is looking for is servername.domainname.
> >> >
> >> >What do I need to do to correct this situation?
> >>
> >> Configure GFI to allow your 5.5 server to relay.
> >>
> >> -- 
> >> Rich Matheisen
> >> MCSE+I, Exchange MVP
> >> MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
> >> Don't send mail to this address mailto:h.pott@getronics.com
> >> Or to these, either: mailto:h.pott@pinkroccade.com 
> >> mailto:melvin.mcphucknuckle@getronics.com 
> >> mailto:melvin.mcphucknuckle@pinkroccade.com
> >> 
> 
> 
> 
0
dlove106 (37)
6/30/2006 5:08:01 PM
You can check the FQDN that is listed on the SMTP Virtual Server on the 2003 
side, but that's about it.

On 2003, properties of the Default SMTP Virtual Server, Delivery Tab, 
Advanced button.  There is a Fully Qualified Domain Name that is listed in 
there.  If it shows server.childdomain.parentdomain.com, then you can change 
it to server.domain.com and see if that fixes the problem.  If it doesn't, 
then it's a problem on the remote domain's side.

-- 
Ben Winzenz
Exchange MVP
MessageOne
Read my blog!
http://winzenz.blogspot.com
http://feeds.feedburner.com/winzenz (RSS Feed)


"dlove106" <dlove106@yahoo.com.donotspam> wrote in message 
news:6A1B16D2-DDC9-47B5-BE25-B36E6053D258@microsoft.com...
>I have emailed the same person and received the same result.  My mailbox is
> on the 2003 server.  The problem exists for anyone emailing this domain, 
> not
> just this person.
> -- 
> DLove
>
>
> "Ben Winzenz [Exchange MVP]" wrote:
>
>> If the e-mail address can't be found, then it really doesn't matter 
>> whether
>> the hostname is potentially forged or not.
>>
>> What happens if someone on the Exchange 2003 server tries to e-mail this
>> address?  Is this a problem that only exists for users on the 5.5 server?
>>
>> -- 
>> Ben Winzenz
>> Exchange MVP
>> MessageOne
>> Read my blog!
>> http://winzenz.blogspot.com
>> http://feeds.feedburner.com/winzenz (RSS Feed)
>>
>>
>> "dlove106" <dlove106@yahoo.com.donotspam> wrote in message
>> news:5A4B486F-BCB3-4BBA-8B47-406251604917@microsoft.com...
>> > Thank you Rich for your response.  I was not very clear in the original
>> > message.  The 5.5 server is configured to relay in GFI.  The problem 
>> > only
>> > seems to happen to one domain.  Below is the NDR message that is 
>> > returned:
>> >
>> > The email address could not be found.  Perhaps the recipient moved to a
>> > different e-mail organization, or there was a mistake in the address.
>> > Check
>> > the address and try again. <servername.childdomain.parentdomain.com 
>> > #4.1.8
>> > smtp;451 4.1.8 Possibly forged hostname for ...>
>> >
>> > It is the last part that I believe is the problem.  The above 
>> > servername
>> > path is the AD path (internal DNS).  Our MX record shows only
>> > servername.domainname.com.  All other mail goes out okay.  How do I
>> > reconcile
>> > this difference?  Or am I going down the wrong path in my thinking?
>> >
>> > Thank you again for you help.
>> >
>> > -- 
>> > DLove
>> >
>> >
>> > "Rich Matheisen [MVP]" wrote:
>> >
>> >> dlove106 <dlove106@yahoo.com.donotspam> wrote:
>> >>
>> >> >We have GFI Mail Essentials running on Exchange 2003.  We allow our
>> >> >Exchange
>> >> >5.5 server to relay to the EK23 server.  Since putting this
>> >> >configuration in
>> >> >place, we have messages getting stuck on the queue and eventually the
>> >> >sender
>> >> >receives a Delivery Status Notification (delay) message back.  Within
>> >> >the
>> >> >message it states the following:  smtp; 451 4.1.8 Possibly forged
>> >> >hostname
>> >> >for (outside email address).  It also shows the reporting MTA as it
>> >> >looks in
>> >> >AD, however, I believe what it is looking for is 
>> >> >servername.domainname.
>> >> >
>> >> >What do I need to do to correct this situation?
>> >>
>> >> Configure GFI to allow your 5.5 server to relay.
>> >>
>> >> -- 
>> >> Rich Matheisen
>> >> MCSE+I, Exchange MVP
>> >> MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
>> >> Don't send mail to this address mailto:h.pott@getronics.com
>> >> Or to these, either: mailto:h.pott@pinkroccade.com
>> >> mailto:melvin.mcphucknuckle@getronics.com
>> >> mailto:melvin.mcphucknuckle@pinkroccade.com
>> >>
>>
>>
>> 


0
Ben
6/30/2006 7:06:37 PM
I can change it to reflect the domain name on my MX record, but then it will 
not accurately reflect what I have in AD and on my internal DNS server.  Will 
this cause me any email issues?  I did not want to change this since my 
problem was only with 1 particular domain.
-- 
DLove


"Ben Winzenz [Exchange MVP]" wrote:

> You can check the FQDN that is listed on the SMTP Virtual Server on the 2003 
> side, but that's about it.
> 
> On 2003, properties of the Default SMTP Virtual Server, Delivery Tab, 
> Advanced button.  There is a Fully Qualified Domain Name that is listed in 
> there.  If it shows server.childdomain.parentdomain.com, then you can change 
> it to server.domain.com and see if that fixes the problem.  If it doesn't, 
> then it's a problem on the remote domain's side.
> 
> -- 
> Ben Winzenz
> Exchange MVP
> MessageOne
> Read my blog!
> http://winzenz.blogspot.com
> http://feeds.feedburner.com/winzenz (RSS Feed)
> 
> 
> "dlove106" <dlove106@yahoo.com.donotspam> wrote in message 
> news:6A1B16D2-DDC9-47B5-BE25-B36E6053D258@microsoft.com...
> >I have emailed the same person and received the same result.  My mailbox is
> > on the 2003 server.  The problem exists for anyone emailing this domain, 
> > not
> > just this person.
> > -- 
> > DLove
> >
> >
> > "Ben Winzenz [Exchange MVP]" wrote:
> >
> >> If the e-mail address can't be found, then it really doesn't matter 
> >> whether
> >> the hostname is potentially forged or not.
> >>
> >> What happens if someone on the Exchange 2003 server tries to e-mail this
> >> address?  Is this a problem that only exists for users on the 5.5 server?
> >>
> >> -- 
> >> Ben Winzenz
> >> Exchange MVP
> >> MessageOne
> >> Read my blog!
> >> http://winzenz.blogspot.com
> >> http://feeds.feedburner.com/winzenz (RSS Feed)
> >>
> >>
> >> "dlove106" <dlove106@yahoo.com.donotspam> wrote in message
> >> news:5A4B486F-BCB3-4BBA-8B47-406251604917@microsoft.com...
> >> > Thank you Rich for your response.  I was not very clear in the original
> >> > message.  The 5.5 server is configured to relay in GFI.  The problem 
> >> > only
> >> > seems to happen to one domain.  Below is the NDR message that is 
> >> > returned:
> >> >
> >> > The email address could not be found.  Perhaps the recipient moved to a
> >> > different e-mail organization, or there was a mistake in the address.
> >> > Check
> >> > the address and try again. <servername.childdomain.parentdomain.com 
> >> > #4.1.8
> >> > smtp;451 4.1.8 Possibly forged hostname for ...>
> >> >
> >> > It is the last part that I believe is the problem.  The above 
> >> > servername
> >> > path is the AD path (internal DNS).  Our MX record shows only
> >> > servername.domainname.com.  All other mail goes out okay.  How do I
> >> > reconcile
> >> > this difference?  Or am I going down the wrong path in my thinking?
> >> >
> >> > Thank you again for you help.
> >> >
> >> > -- 
> >> > DLove
> >> >
> >> >
> >> > "Rich Matheisen [MVP]" wrote:
> >> >
> >> >> dlove106 <dlove106@yahoo.com.donotspam> wrote:
> >> >>
> >> >> >We have GFI Mail Essentials running on Exchange 2003.  We allow our
> >> >> >Exchange
> >> >> >5.5 server to relay to the EK23 server.  Since putting this
> >> >> >configuration in
> >> >> >place, we have messages getting stuck on the queue and eventually the
> >> >> >sender
> >> >> >receives a Delivery Status Notification (delay) message back.  Within
> >> >> >the
> >> >> >message it states the following:  smtp; 451 4.1.8 Possibly forged
> >> >> >hostname
> >> >> >for (outside email address).  It also shows the reporting MTA as it
> >> >> >looks in
> >> >> >AD, however, I believe what it is looking for is 
> >> >> >servername.domainname.
> >> >> >
> >> >> >What do I need to do to correct this situation?
> >> >>
> >> >> Configure GFI to allow your 5.5 server to relay.
> >> >>
> >> >> -- 
> >> >> Rich Matheisen
> >> >> MCSE+I, Exchange MVP
> >> >> MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
> >> >> Don't send mail to this address mailto:h.pott@getronics.com
> >> >> Or to these, either: mailto:h.pott@pinkroccade.com
> >> >> mailto:melvin.mcphucknuckle@getronics.com
> >> >> mailto:melvin.mcphucknuckle@pinkroccade.com
> >> >>
> >>
> >>
> >> 
> 
> 
> 
0
dlove106 (37)
6/30/2006 8:22:02 PM
It won't cause any problems that I am aware of or that I recall.  You can 
find numerous other posts where this same advice has been offered by others 
to fix reverse dns lookup problems.

If it does for some unforseen reason cause a problem, you can always change 
it back to what it used to be...

-- 
Ben Winzenz
Exchange MVP
MessageOne
Read my blog!
http://winzenz.blogspot.com
http://feeds.feedburner.com/winzenz (RSS Feed)


"dlove106" <dlove106@yahoo.com.donotspam> wrote in message 
news:05465577-47ED-4A81-BCE8-24CCD3BFC9ED@microsoft.com...
>I can change it to reflect the domain name on my MX record, but then it 
>will
> not accurately reflect what I have in AD and on my internal DNS server. 
> Will
> this cause me any email issues?  I did not want to change this since my
> problem was only with 1 particular domain.
> -- 
> DLove
>
>
> "Ben Winzenz [Exchange MVP]" wrote:
>
>> You can check the FQDN that is listed on the SMTP Virtual Server on the 
>> 2003
>> side, but that's about it.
>>
>> On 2003, properties of the Default SMTP Virtual Server, Delivery Tab,
>> Advanced button.  There is a Fully Qualified Domain Name that is listed 
>> in
>> there.  If it shows server.childdomain.parentdomain.com, then you can 
>> change
>> it to server.domain.com and see if that fixes the problem.  If it 
>> doesn't,
>> then it's a problem on the remote domain's side.
>>
>> -- 
>> Ben Winzenz
>> Exchange MVP
>> MessageOne
>> Read my blog!
>> http://winzenz.blogspot.com
>> http://feeds.feedburner.com/winzenz (RSS Feed)
>>
>>
>> "dlove106" <dlove106@yahoo.com.donotspam> wrote in message
>> news:6A1B16D2-DDC9-47B5-BE25-B36E6053D258@microsoft.com...
>> >I have emailed the same person and received the same result.  My mailbox 
>> >is
>> > on the 2003 server.  The problem exists for anyone emailing this 
>> > domain,
>> > not
>> > just this person.
>> > -- 
>> > DLove
>> >
>> >
>> > "Ben Winzenz [Exchange MVP]" wrote:
>> >
>> >> If the e-mail address can't be found, then it really doesn't matter
>> >> whether
>> >> the hostname is potentially forged or not.
>> >>
>> >> What happens if someone on the Exchange 2003 server tries to e-mail 
>> >> this
>> >> address?  Is this a problem that only exists for users on the 5.5 
>> >> server?
>> >>
>> >> -- 
>> >> Ben Winzenz
>> >> Exchange MVP
>> >> MessageOne
>> >> Read my blog!
>> >> http://winzenz.blogspot.com
>> >> http://feeds.feedburner.com/winzenz (RSS Feed)
>> >>
>> >>
>> >> "dlove106" <dlove106@yahoo.com.donotspam> wrote in message
>> >> news:5A4B486F-BCB3-4BBA-8B47-406251604917@microsoft.com...
>> >> > Thank you Rich for your response.  I was not very clear in the 
>> >> > original
>> >> > message.  The 5.5 server is configured to relay in GFI.  The problem
>> >> > only
>> >> > seems to happen to one domain.  Below is the NDR message that is
>> >> > returned:
>> >> >
>> >> > The email address could not be found.  Perhaps the recipient moved 
>> >> > to a
>> >> > different e-mail organization, or there was a mistake in the 
>> >> > address.
>> >> > Check
>> >> > the address and try again. <servername.childdomain.parentdomain.com
>> >> > #4.1.8
>> >> > smtp;451 4.1.8 Possibly forged hostname for ...>
>> >> >
>> >> > It is the last part that I believe is the problem.  The above
>> >> > servername
>> >> > path is the AD path (internal DNS).  Our MX record shows only
>> >> > servername.domainname.com.  All other mail goes out okay.  How do I
>> >> > reconcile
>> >> > this difference?  Or am I going down the wrong path in my thinking?
>> >> >
>> >> > Thank you again for you help.
>> >> >
>> >> > -- 
>> >> > DLove
>> >> >
>> >> >
>> >> > "Rich Matheisen [MVP]" wrote:
>> >> >
>> >> >> dlove106 <dlove106@yahoo.com.donotspam> wrote:
>> >> >>
>> >> >> >We have GFI Mail Essentials running on Exchange 2003.  We allow 
>> >> >> >our
>> >> >> >Exchange
>> >> >> >5.5 server to relay to the EK23 server.  Since putting this
>> >> >> >configuration in
>> >> >> >place, we have messages getting stuck on the queue and eventually 
>> >> >> >the
>> >> >> >sender
>> >> >> >receives a Delivery Status Notification (delay) message back. 
>> >> >> >Within
>> >> >> >the
>> >> >> >message it states the following:  smtp; 451 4.1.8 Possibly forged
>> >> >> >hostname
>> >> >> >for (outside email address).  It also shows the reporting MTA as 
>> >> >> >it
>> >> >> >looks in
>> >> >> >AD, however, I believe what it is looking for is
>> >> >> >servername.domainname.
>> >> >> >
>> >> >> >What do I need to do to correct this situation?
>> >> >>
>> >> >> Configure GFI to allow your 5.5 server to relay.
>> >> >>
>> >> >> -- 
>> >> >> Rich Matheisen
>> >> >> MCSE+I, Exchange MVP
>> >> >> MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
>> >> >> Don't send mail to this address mailto:h.pott@getronics.com
>> >> >> Or to these, either: mailto:h.pott@pinkroccade.com
>> >> >> mailto:melvin.mcphucknuckle@getronics.com
>> >> >> mailto:melvin.mcphucknuckle@pinkroccade.com
>> >> >>
>> >>
>> >>
>> >>
>>
>>
>> 


0
Ben
6/30/2006 9:31:37 PM
dlove106 <dlove106@yahoo.com.donotspam> wrote:

>Thank you Rich for your response.  I was not very clear in the original 
>message.  The 5.5 server is configured to relay in GFI.  The problem only 
>seems to happen to one domain.  Below is the NDR message that is returned:
>
>The email address could not be found.  Perhaps the recipient moved to a 
>different e-mail organization, or there was a mistake in the address.  Check 
>the address and try again. <servername.childdomain.parentdomain.com #4.1.8 
>smtp;451 4.1.8 Possibly forged hostname for ...>
>
>It is the last part that I believe is the problem.  The above servername 
>path is the AD path (internal DNS).  Our MX record shows only 
>servername.domainname.com.  All other mail goes out okay.  How do I reconcile 
>this difference?  Or am I going down the wrong path in my thinking?

Without more information, from the SMTP Protocol Log, you can't tell
what's at the root of this (and even *with* the log you may not be
able to see what's wrong). But to start you'll have to discover the
server tat's sending the 451 4.1.8 status. You may need to ask them
what it is they object to.

Assuming that your server is the one that's using a forged domain,
make sure that the domain/fqdn in the MAIL FROM command it sends is
present in a DNS that's accessible from the Internet and inside your
LAN.

If the problem is the data transmitted in the HELO/EHLO command from
the 5.5 server then the problem is within your own LAN and it should
be correctable by having the correct PTR record in your DNS for that
server's IP address. If it's the 2003 server, you can correct the name
in the properties page of the SMTP Virtual Server.

-- 
Rich Matheisen
MCSE+I, Exchange MVP
MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
Don't send mail to this address mailto:h.pott@getronics.com
Or to these, either: mailto:h.pott@pinkroccade.com mailto:melvin.mcphucknuckle@getronics.com mailto:melvin.mcphucknuckle@pinkroccade.com
0
richnews (7316)
7/1/2006 12:39:22 AM
"Ben Winzenz [Exchange MVP]" <ben_winzenz@nospamdotmessageonedotcom>
wrote:

>You can check the FQDN that is listed on the SMTP Virtual Server on the 2003 
>side, but that's about it.

.. . . and the Primary SMTP proxy address assigned to the sender.


-- 
Rich Matheisen
MCSE+I, Exchange MVP
MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
Don't send mail to this address mailto:h.pott@getronics.com
Or to these, either: mailto:h.pott@pinkroccade.com mailto:melvin.mcphucknuckle@getronics.com mailto:melvin.mcphucknuckle@pinkroccade.com
0
richnews (7316)
7/1/2006 12:40:40 AM
dlove106 <dlove106@yahoo.com.donotspam> wrote:

>I can change it to reflect the domain name on my MX record, but then it will 
>not accurately reflect what I have in AD and on my internal DNS server.  

Not a problem. You just want the name it send in the HRLP/EHLO command
to match something in your external DNS.

>Will 
>this cause me any email issues?  

It'll cause mail to be delivered to picky MTA's. Whether that's an
issue I couldn't say. :)

>I did not want to change this since my 
>problem was only with 1 particular domain.

Or at least just one so far. MTA's that insist the HELO\EHLO
information matches an A record, of if the name returned from the PTR
record matches the EHLO\HELO data aren't very common (and that's a
good thing).

-- 
Rich Matheisen
MCSE+I, Exchange MVP
MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
Don't send mail to this address mailto:h.pott@getronics.com
Or to these, either: mailto:h.pott@pinkroccade.com mailto:melvin.mcphucknuckle@getronics.com mailto:melvin.mcphucknuckle@pinkroccade.com
0
richnews (7316)
7/1/2006 12:44:01 AM
Thakn you all for your advice.  I went ahead and changed the name on the smtp 
virtual server to match the mx record on the external dns.  When I send a 
message to the problematic domain it still does not go through, however, it 
does return the domain name I changed on the VS, and yet it still shows as 
possibly forged. The other difference that I see between the 5.5 and 2003 is 
this:  The 5.5 connector has a tab listing reroutable smtp addresses and the 
domain in question is listed.  I am not sure where the equivalent setting in 
2003 would be.  
-- 
DLove


"Rich Matheisen [MVP]" wrote:

> dlove106 <dlove106@yahoo.com.donotspam> wrote:
> 
> >Thank you Rich for your response.  I was not very clear in the original 
> >message.  The 5.5 server is configured to relay in GFI.  The problem only 
> >seems to happen to one domain.  Below is the NDR message that is returned:
> >
> >The email address could not be found.  Perhaps the recipient moved to a 
> >different e-mail organization, or there was a mistake in the address.  Check 
> >the address and try again. <servername.childdomain.parentdomain.com #4.1.8 
> >smtp;451 4.1.8 Possibly forged hostname for ...>
> >
> >It is the last part that I believe is the problem.  The above servername 
> >path is the AD path (internal DNS).  Our MX record shows only 
> >servername.domainname.com.  All other mail goes out okay.  How do I reconcile 
> >this difference?  Or am I going down the wrong path in my thinking?
> 
> Without more information, from the SMTP Protocol Log, you can't tell
> what's at the root of this (and even *with* the log you may not be
> able to see what's wrong). But to start you'll have to discover the
> server tat's sending the 451 4.1.8 status. You may need to ask them
> what it is they object to.
> 
> Assuming that your server is the one that's using a forged domain,
> make sure that the domain/fqdn in the MAIL FROM command it sends is
> present in a DNS that's accessible from the Internet and inside your
> LAN.
> 
> If the problem is the data transmitted in the HELO/EHLO command from
> the 5.5 server then the problem is within your own LAN and it should
> be correctable by having the correct PTR record in your DNS for that
> server's IP address. If it's the 2003 server, you can correct the name
> in the properties page of the SMTP Virtual Server.
> 
> -- 
> Rich Matheisen
> MCSE+I, Exchange MVP
> MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
> Don't send mail to this address mailto:h.pott@getronics.com
> Or to these, either: mailto:h.pott@pinkroccade.com mailto:melvin.mcphucknuckle@getronics.com mailto:melvin.mcphucknuckle@pinkroccade.com
> 
0
dlove106 (37)
7/3/2006 6:15:02 PM
dlove106 <dlove106@yahoo.com.donotspam> wrote:

>Thakn you all for your advice.  I went ahead and changed the name on the smtp 
>virtual server to match the mx record on the external dns.  When I send a 
>message to the problematic domain it still does not go through, however, it 
>does return the domain name I changed on the VS, and yet it still shows as 
>possibly forged. 

I guess it's time to tell us what that domain name is and what IP
address you're sending from.

>The other difference that I see between the 5.5 and 2003 is 
>this:  The 5.5 connector has a tab listing reroutable smtp addresses and the 
>domain in question is listed.  

On the IMS? On the "Routing" tab? Is the domain listed as "<inbound>"?

>I am not sure where the equivalent setting in 
>2003 would be.  

It would be a Recipient Policy address. But that affects only inbound
mail.

-- 
Rich Matheisen
MCSE+I, Exchange MVP
MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
Don't send mail to this address mailto:h.pott@getronics.com
Or to these, either: mailto:h.pott@pinkroccade.com mailto:melvin.mcphucknuckle@getronics.com mailto:melvin.mcphucknuckle@pinkroccade.com
0
richnews (7316)
7/3/2006 6:34:32 PM
The Domain is udlp.com.  The domain that I am sending from is swmarine.com.  
All messages from our server eventually are NDR'd back to the sender.  From 
our personal accounts we are able to successfully send to the domain.

I apologize, I gave out incorrect information in the last post.  I do not 
have any entries on the routing tab pointing to the ip of this domain.  I 
have an entry in the 5.5 server host file, which I have duplicated on the 
2003 server.  The entries I was thinking about are inbound traffic, not 
outbound.  They are able to send to us with no problem.  We just can't get 
email to them.
-- 
DLove


"Rich Matheisen [MVP]" wrote:

> dlove106 <dlove106@yahoo.com.donotspam> wrote:
> 
> >Thakn you all for your advice.  I went ahead and changed the name on the smtp 
> >virtual server to match the mx record on the external dns.  When I send a 
> >message to the problematic domain it still does not go through, however, it 
> >does return the domain name I changed on the VS, and yet it still shows as 
> >possibly forged. 
> 
> I guess it's time to tell us what that domain name is and what IP
> address you're sending from.
> 
> >The other difference that I see between the 5.5 and 2003 is 
> >this:  The 5.5 connector has a tab listing reroutable smtp addresses and the 
> >domain in question is listed.  
> 
> On the IMS? On the "Routing" tab? Is the domain listed as "<inbound>"?
> 
> >I am not sure where the equivalent setting in 
> >2003 would be.  
> 
> It would be a Recipient Policy address. But that affects only inbound
> mail.
> 
> -- 
> Rich Matheisen
> MCSE+I, Exchange MVP
> MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
> Don't send mail to this address mailto:h.pott@getronics.com
> Or to these, either: mailto:h.pott@pinkroccade.com mailto:melvin.mcphucknuckle@getronics.com mailto:melvin.mcphucknuckle@pinkroccade.com
> 
0
dlove106 (37)
7/3/2006 9:43:01 PM
dlove106 <dlove106@yahoo.com.donotspam> wrote:

>The Domain is udlp.com.  The domain that I am sending from is swmarine.com.  

Are you having some sort of problem with the mail exchangers for the
swmarine.com domain? This test says it can't connect:

http://dnsreport.com/tools/dnsreport.ch?domain=swmarine.com

I can't connect to 66.185.163.53 or 66.185.163.43 either.

The PTR for 66.185.163.53 returns a name not in your domain. But you
didn't say what IP address you used to *send* these messages, so it
may be that that IP is just a secondary MX and not used to send mail.

The domain uldp.com isn't in any great shape, either.

http://dnsreport.com/tools/dnsreport.ch?domain=udlp.com

Those folks use a PIX firewall, ant they have the mail guard feature
enabled. That's caused more problems over the years than any other
single thing I can think of.

>All messages from our server eventually are NDR'd back to the sender.  From 
>our personal accounts we are able to successfully send to the domain.

Well, at this point I think the thing to do is call the people in
charg of the domain and ask them what's wrong.

Domain registration:

Registrant:
BAE Systems
   4800 East River Road
   MailStop M-125
   Fridley, MN 55421
   US

   Domain Name: UDLP.COM

   Administrative Contact, Technical Contact:
      Webmaster, BAE Systems  webmasterlanda@baesystems.com
      BAE Systems
      4800 East River Road M125
      M-125
      Fridley, MN 55421-1498
      US
      763-572-7119 fax: 763-572-4955

   Record expires on 13-Aug-2010.
   Record created on 14-Aug-1996.
   Database last updated on 3-Jul-2006 19:12:30 EDT.

IP Block #1:

OrgName:    United Defense/Armament Systems Division 
OrgID:      UDSD
Address:    4800 East River Road
City:       Fridley
StateProv:  MN
PostalCode: 55421
Country:    US

NetRange:   207.109.1.0 - 207.109.1.255 
CIDR:       207.109.1.0/24 
NetName:    USW-UNITEDDEFEN
NetHandle:  NET-207-109-1-0-1
Parent:     NET-207-108-0-0-1
NetType:    Reassigned
Comment:    
RegDate:    1996-08-07
Updated:    1996-08-07

RTechHandle: GR110-ARIN
RTechName:   Rowe, Greg 
RTechPhone:  +1-800-672-8520
RTechEmail:  dns-info@uswest.net 

OrgTechHandle: GR110-ARIN
OrgTechName:   Rowe, Greg 
OrgTechPhone:  +1-800-672-8520
OrgTechEmail:  dns-info@uswest.net



IP Block #2:
OrgName:    United Defense L.P. Ground 
OrgID:      UDLG
Address:    1100 Bairs Road PO Box 15512
City:       York
StateProv:  PA
PostalCode: 17405
Country:    US

NetRange:   208.23.135.0 - 208.23.135.255 
CIDR:       208.23.135.0/24 
NetName:    FON-349120281652100
NetHandle:  NET-208-23-135-0-1
Parent:     NET-208-0-0-0-1
NetType:    Reassigned
Comment:    
RegDate:    2002-01-04
Updated:    2002-01-04

RTechHandle: SD860-ARIN
RTechName:   Deal, Scott 
RTechPhone:  +71 (7.2)25.-3400
RTechEmail:  scott_deal@udlp.com 

OrgTechHandle: SD860-ARIN
OrgTechName:   Deal, Scott 
OrgTechPhone:  +71 (7.2)25.-3400
OrgTechEmail:  scott_deal@udlp.com

>I apologize, I gave out incorrect information in the last post.  I do not 
>have any entries on the routing tab pointing to the ip of this domain.  I 
>have an entry in the 5.5 server host file, which I have duplicated on the 
>2003 server.  

Why? What's wrong with their DNS? Host files won't help if the MX is
present in DNS.


-- 
Rich Matheisen
MCSE+I, Exchange MVP
MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
Don't send mail to this address mailto:h.pott@getronics.com
Or to these, either: mailto:h.pott@pinkroccade.com mailto:melvin.mcphucknuckle@getronics.com mailto:melvin.mcphucknuckle@pinkroccade.com
0
richnews (7316)
7/3/2006 11:18:06 PM
Thank you Rich for sticking with me on this issue.  I will take your advice 
and get in contact with the domain admin and see if we can't work together to 
resolve this issue.
-- 
DLove


"Rich Matheisen [MVP]" wrote:

> dlove106 <dlove106@yahoo.com.donotspam> wrote:
> 
> >The Domain is udlp.com.  The domain that I am sending from is swmarine.com.  
> 
> Are you having some sort of problem with the mail exchangers for the
> swmarine.com domain? This test says it can't connect:
> 
> http://dnsreport.com/tools/dnsreport.ch?domain=swmarine.com
> 
> I can't connect to 66.185.163.53 or 66.185.163.43 either.
> 
> The PTR for 66.185.163.53 returns a name not in your domain. But you
> didn't say what IP address you used to *send* these messages, so it
> may be that that IP is just a secondary MX and not used to send mail.
> 
> The domain uldp.com isn't in any great shape, either.
> 
> http://dnsreport.com/tools/dnsreport.ch?domain=udlp.com
> 
> Those folks use a PIX firewall, ant they have the mail guard feature
> enabled. That's caused more problems over the years than any other
> single thing I can think of.
> 
> >All messages from our server eventually are NDR'd back to the sender.  From 
> >our personal accounts we are able to successfully send to the domain.
> 
> Well, at this point I think the thing to do is call the people in
> charg of the domain and ask them what's wrong.
> 
> Domain registration:
> 
> Registrant:
> BAE Systems
>    4800 East River Road
>    MailStop M-125
>    Fridley, MN 55421
>    US
> 
>    Domain Name: UDLP.COM
> 
>    Administrative Contact, Technical Contact:
>       Webmaster, BAE Systems  webmasterlanda@baesystems.com
>       BAE Systems
>       4800 East River Road M125
>       M-125
>       Fridley, MN 55421-1498
>       US
>       763-572-7119 fax: 763-572-4955
> 
>    Record expires on 13-Aug-2010.
>    Record created on 14-Aug-1996.
>    Database last updated on 3-Jul-2006 19:12:30 EDT.
> 
> IP Block #1:
> 
> OrgName:    United Defense/Armament Systems Division 
> OrgID:      UDSD
> Address:    4800 East River Road
> City:       Fridley
> StateProv:  MN
> PostalCode: 55421
> Country:    US
> 
> NetRange:   207.109.1.0 - 207.109.1.255 
> CIDR:       207.109.1.0/24 
> NetName:    USW-UNITEDDEFEN
> NetHandle:  NET-207-109-1-0-1
> Parent:     NET-207-108-0-0-1
> NetType:    Reassigned
> Comment:    
> RegDate:    1996-08-07
> Updated:    1996-08-07
> 
> RTechHandle: GR110-ARIN
> RTechName:   Rowe, Greg 
> RTechPhone:  +1-800-672-8520
> RTechEmail:  dns-info@uswest.net 
> 
> OrgTechHandle: GR110-ARIN
> OrgTechName:   Rowe, Greg 
> OrgTechPhone:  +1-800-672-8520
> OrgTechEmail:  dns-info@uswest.net
> 
> 
> 
> IP Block #2:
> OrgName:    United Defense L.P. Ground 
> OrgID:      UDLG
> Address:    1100 Bairs Road PO Box 15512
> City:       York
> StateProv:  PA
> PostalCode: 17405
> Country:    US
> 
> NetRange:   208.23.135.0 - 208.23.135.255 
> CIDR:       208.23.135.0/24 
> NetName:    FON-349120281652100
> NetHandle:  NET-208-23-135-0-1
> Parent:     NET-208-0-0-0-1
> NetType:    Reassigned
> Comment:    
> RegDate:    2002-01-04
> Updated:    2002-01-04
> 
> RTechHandle: SD860-ARIN
> RTechName:   Deal, Scott 
> RTechPhone:  +71 (7.2)25.-3400
> RTechEmail:  scott_deal@udlp.com 
> 
> OrgTechHandle: SD860-ARIN
> OrgTechName:   Deal, Scott 
> OrgTechPhone:  +71 (7.2)25.-3400
> OrgTechEmail:  scott_deal@udlp.com
> 
> >I apologize, I gave out incorrect information in the last post.  I do not 
> >have any entries on the routing tab pointing to the ip of this domain.  I 
> >have an entry in the 5.5 server host file, which I have duplicated on the 
> >2003 server.  
> 
> Why? What's wrong with their DNS? Host files won't help if the MX is
> present in DNS.
> 
> 
> -- 
> Rich Matheisen
> MCSE+I, Exchange MVP
> MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
> Don't send mail to this address mailto:h.pott@getronics.com
> Or to these, either: mailto:h.pott@pinkroccade.com mailto:melvin.mcphucknuckle@getronics.com mailto:melvin.mcphucknuckle@pinkroccade.com
> 
0
dlove106 (37)
7/4/2006 6:41:01 AM
dlove106 <dlove106@yahoo.com.donotspam> wrote:

>Thank you Rich for sticking with me on this issue.  I will take your advice 
>and get in contact with the domain admin and see if we can't work together to 
>resolve this issue.

Sometimes the problem really isn't you. :)

-- 
Rich Matheisen
MCSE+I, Exchange MVP
MS Exchange FAQ at http://www.swinc.com/resource/exch_faq.htm
Don't send mail to this address mailto:h.pott@getronics.com
Or to these, either: mailto:h.pott@pinkroccade.com mailto:melvin.mcphucknuckle@getronics.com mailto:melvin.mcphucknuckle@pinkroccade.com
0
richnews (7316)
7/4/2006 3:33:17 PM
Reply:

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I have a problem with message beging recieved through our exchange server. This recently started. One of our other admins did some tweaking before he went out of town and we are having a hard time finding out what was done and yes we have tried to contact him. Mail sent from exchange users come in fine but when sent from external addresses (the ones we have tested) do not come in and get a ndr message. I don't know how long this has been happening exactly but it has been a week since the other admin left. Used both DNSreports / DNSstuff and oddly both have the MX and DNS succes...

Message Tracking with Message ID
I work on the Defense Message System. We get error reports for messages with a message ID on them. The problem is how does one find the message that goes with the ID in a "FIND" of the Sent Items on the senders computer? I have not found a way that is user friendly to do this search on the users computer. Very Respectfully, ET3 Hettinger USN ...

Divert all email from/to a given domain?
Is here a way with exchange 2003 to divert all messages sent and received from a certain domain (anybody@competitor.com) to a given internal mailbox? Such as boss@ourcompany.com Thanks Carl A -- Stack manipulation: The use of inflatable falsies. -Datamazing, 4/1/78 In news:45ABB475.8050002@nowhere.com, Ciaraga <Cia@nowhere.com> typed: > Is here a way with exchange 2003 to divert all messages sent and > received from a certain domain (anybody@competitor.com) to a given > internal mailbox? Such as boss@ourcompany.com > > Thanks > > Carl A The only thing b...

Error message Importing INV File
I am using Money 2005 Samll Business and when I try to import a custom invoice I receive the following error message. Money cannot import an INV file that was created before July, 2002. Please try importing a more recent version of the file. I just created my file tonight and the properties say it was created 11/19/04 so there should be no problem with the date. I am set up for US regional settings. Has anyone ran into this and figured a way around it? Thanks, ...

Windows cannot obtain the domain controller name for your computer network. (The specified domain either does not exist or could not be contacted. ). Group Policy processing aborted.
Hi This problem has been driving me nuts for two days now. I'm receiving the following error in the event log when a user tried to login. Event Type: Error Event Source: Userenv Event Category: None Event ID: 1054 Date: 10/01/2010 Time: 18:37:28 User: NT AUTHORITY\SYSTEM Computer: PC6 Description: Windows cannot obtain the domain controller name for your computer network. (The specified domain either does not exist or could not be contacted. ). Group Policy processing aborted. For more information, see Help and Suppor...

How do Datasets manage to get deserialized as DataSets instead of a wsdl.exe-created proxy class?
Hi! I have developed both a Web Service and a client application, and they work fine. All classes used in the Web Service interface are declared in an assembly named Entities, that is referenced both in the Web Service and the client application. The problem is that the automatically-generated Web Service proxy class creates new classes instead of referencing the original classes. This way, if I add a method to any of the classes in the Entities assembly, that functionality isn't available in the client application, because the proxy-generated classes are static snapshots of the server...

Copy Local Message Rule
I've created a complicated message rule for filtering that I would like to put on other client machines. Can I copy it? Is this possible? WIn2k server/ Exchange 2k w/all current SPs. STEVE ...

Suddenly no pictures in HTML messages
Running XP pro SP3, Outlook 2002. About Wed. or Thurs, any html messages received do not include pictures. Did Microsoft send out an update that might have interfered? Or did I do something I'm not aware of? Thank you, Roberta Roberta, you wrote on Sat, 4 Apr 2009 06:52:06 -0700: > About Wed. or Thurs, any html messages received do not include > pictures. Did Microsoft send out an update that might have > interfered? Or did I do something I'm not aware of? There is no such an update. Verify if the Internet Explorer is in offline mode (go to the file menu in IE)...

cannot move messages
Sometimes when I attempt to move a message from the inbox to a storage folder I receive the following error message - "An unknown error has occured. The selected message(s) could not be moved." Why am I receiving this message and how can this problem be corrected? Any suggestions would be appreciated. Thanks What kind of mail account is it? POP3, IMAP or HTTP? Both IMAP and HTTP accounts synchronize with the mail server, so moving a message from the mail account to the storage folder requires that WLM tell the mail server to delete the message from the server ma...