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if you're not able to open a TCP session on port 25 then that's where I'd start instead of logging SMTP. &nbsp;I'm able to telnet 25 from here to that address.
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if you're not able to open a TCP session on port 25 then that's where I'd start instead of logging SMTP.  I'm able to telnet 25 from here to that address.

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i am not sure if you really read my question,<br />
that was my question how to start SMTP logging on Win r2 2008. I've seen posting suggestion to add ODBC server role hoever I don't see this option on my box
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i am not sure if you really read my question,
that was my question how to start SMTP logging on Win r2 2008. I've seen posting suggestion to add ODBC server role hoever I don't see this option on my box

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My SMTP gateway (installed on windows 2008 R2) is getting rejected by mx1.comcast.net .How do I enable SMTP logging so I can troubleshoot the issue?<br />
1. mxtoolbox doesn't show any smpt errors on my domain<br />
2. when I try to telnet mx1.comcast.net port 25 it will not connect , while connects fine to any other server<br />
3. I also have 2003 based (second) SMTP gateway which connects fine to mx1.comcast.net 25<br />
both SPF records are good<br />
any ideas?
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My SMTP gateway (installed on windows 2008 R2) is getting rejected by mx1.comcast.net .How do I enable SMTP logging so I can troubleshoot the issue?
1. mxtoolbox doesn't show any smpt errors on my domain
2. when I try to telnet mx1.comcast.net port 25 it will not connect , while connects fine to any other server
3. I also have 2003 based (second) SMTP gateway which connects fine to mx1.comcast.net 25
both SPF records are good
any ideas?

how to enable SMTP logging on Windows 2008 R2

Interactions between email servers and clients are governed by email protocols. The three most common email protocols are POP, IMAP and MAPI. Most email software operates under one of these (and many products support more than one).  The correct protocol must be selected, and correctly configured, if you want your email account to work.

Email Protocols

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.