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smtp relay in active directory site to edge transport server

Posted on 2008-02-06
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Last Modified: 2013-11-30
All my mail stays in queue with the following error message:

<451 4.4.0 Primary target IP address responded with: "421 4.4.2 Connection dropped." Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts.>

Receiving mail is no problem.

Situation: exchange server [hub+mail role] , edge [edge role] both have Exchange SP1 installed.
Servers are both replying with "220" on port 25 so this is not a problem.

HELP!




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Question by:nbommelje
  • 4
6 Comments
 

Author Comment

by:nbommelje
ID: 20856907
After reboot the systeem sends out the compleer Queue. Al new mails then are again being Queued.
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LVL 40

Expert Comment

by:Vadim Rapp
ID: 20899352
Maybe your firewall is blocking outbound connections. Try to telnet from this machine to some smtp host on port 25.
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Author Comment

by:nbommelje
ID: 20899924
All communication from and to any port 25 is working. I can setup smtp from the exchange server 2 edge en from edge 2 internet. I've tried to check what is happening with the smtp communication between the exhange and the edge by adding a new send connector that resides on the exchange.

When I look at the logs on both side I see the following.

On the exchange side sendlog:
 
"220 edge.domain2.com Microsoft ESMTP MAIL Service ready at Fri, 15 Feb 2008 07:49:32 +0100",
>,EHLO exchangeserver.domain1.com,
<,250-edge.domain2.com Hello [x.x.x.x],
<,250-SIZE 10485760,
<,250-PIPELINING,
<,250-DSN,
<,250-ENHANCEDSTATUSCODES,
<,250-STARTTLS,
<,250-X-ANONYMOUSTLS,
<,250-AUTH,
<,250-X-EXPS NTLM,
<,250-8BITMIME,
<,250-BINARYMIME,
<,250-CHUNKING,
<,250 XEXCH50,
>,STARTTLS,
<,220 2.0.0 SMTP server ready,
*,,Sending certificate
*,CN=exchangeserver.domain1.com,Certificate subject
*,"CN=CertServer, DC=domain1, DC=com",Certificate issuer name
*,**********************,Certificate serial number
*,*******************************************,Certificate thumbprint
*,exchangeserver.domain1.com,Certificate alternate names
,Remote
 
On the edge side rec. log:
 
*,SMTPSubmit SMTPAcceptAnySender SMTPAcceptAuthoritativeDomainSender AcceptRoutingHeaders,Set Session Permissions
,>,"220 edge.domain2.com Microsoft ESMTP MAIL Service ready at Fri, 15 Feb 2008 08:00:33 +0100",
,<,EHLO exchangeserver.domain1.com,
,>,250-edge.domain2.com Hello [x.x.x.x],
,>,250-SIZE 10485760,
,>,250-PIPELINING,
,>,250-DSN,
,>,250-ENHANCEDSTATUSCODES,
,>,250-STARTTLS,
,>,250-X-ANONYMOUSTLS,
,>,250-AUTH,
,>,250-X-EXPS NTLM,
,>,250-8BITMIME,
,>,250-BINARYMIME,
,>,250-CHUNKING,
,>,250 XEXCH50,
,<,STARTTLS,
,>,220 2.0.0 SMTP server ready,
,*,,Sending certificate
,*,CN=edge,Certificate subject
,*,CN=edge,Certificate issuer name
,*,********************************,Certificate serial number
,*,****************************************,Certificate thumbprint
,*,edge;edge.domain2.com,Certificate alternate names
,-,,Local

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Problems using Powershell and Active Directory?

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LVL 23

Expert Comment

by:Tim Holman
ID: 20900356
So when you reboot, all the mails send themselves without problems?  Is rebooting your current workaround?  
The message you're getting is saying your SMTP connection was established, but dropped, probably as things were getting too busy.
You could try this - not sure if it's the same with Exch 2007 but worth a try:

http://technet.microsoft.com/en-us/library/aa998772.aspx

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Author Comment

by:nbommelje
ID: 20901072
I don't think the server is to busy with only 2 test email adresses. And only one or 3 mails stuck in the queue. I think I have to search the problem some where in certificates.
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Accepted Solution

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nbommelje earned 0 total points
ID: 21049579
SMTP was not working properly, Solution was removing Exchange, Windows server 2003 and the partition and installing everything new.
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Problems using Powershell and Active Directory?

Managing Active Directory does not always have to be complicated.  If you are spending more time trying instead of doing, then it's time to look at something else. For nearly 20 years, AD admins around the world have used one tool for day-to-day AD management: Hyena. Discover why

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