One other thing I just noticed, but the sending email server
(hermes.shawbinary.com) doesn't have an A record!
And the MX for their domain points to mail.shawbinary.com.
Could this hostname that exists on the server (hermes.shawbinary.com)
be the issue since there is no "A" record for it?
Dustin
On Dec 7, 2007 3:46 PM, dnk <[EMAIL PROTECTED]> wrote:
> Good day,
>
> -latest toaster packages
> -spamdyke 3.0.1
> -centos 5 patched to current
>
> I have been having an issue of late with one particular domain that
> sends to our domain. They all seem to be something similar to:
>
>
>
>
> There was a SMTP communication problem with the recipient's email
> server. Please contact your system administrator.
>
> <hermes.shawbinary.com #5.5.0 smtp;553 sorry, that domain
> isn't in my list of allowed rcpthosts (#5.7.1)>
>
>
> Now I am only having this issue with this one domain.
>
> What would be causing this?
>
> Now I was looking at my log files, and the one thing I noticed within
> my smtp log file is that under normal circumstance, a log entry will
> look like:
>
> 12-07 15:26:18 simscan:[18851]:CLEAN (-1.40/12.00):1.1106s:Re_ Monday
> videoconference:xxx.xxx.xxx.xxx:[EMAIL PROTECTED]:[EMAIL PROTECTED]:
>
> And if there are multiple recipients in either the "to" field of the
> "cc" filed, they all register one per line in the log files.
>
> Now when I get these errors forwarded to me, I look into the log
> files, and I noticed that the format is:
>
> 12-07 08:44:53 simscan:[23047]:CLEAN (0.10/12.00):3.6680s:Monday
> videoconference:xxx.xxx.xxx.xxx:[EMAIL PROTECTED]:[EMAIL PROTECTED]:,[EMAIL
> PROTECTED]
>
> See how the recipients show 2 on the same log line? And the comma?
>
> Could that be the issue?
>
> Has anyone seen this before? Am I barking up the wrong tree?
>
> And then I am trying to figure out, is my server and related scanning
> software screwing up the transaction? Or is it messed up before I even
> get it?
>
> Ideas?
>
> Dustin
>
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