You might want to do a quick check on the sending email server's mx records (to make sure it hasn't gotten added to any RBL's or similar, reverse-dns is working, etc). I use this site to check our domain and others when i start hearing about such issues: http://www.mxtoolbox.com/index.aspx
Stephen Bogdanski
Network Services
College of Veterinary Medicine
Michigan State University
>>> Michael Surato <[log in to unmask]> 1/21/2009 2:55 PM >>>
I am experiencing something similar. I have sent the relevant server logs to the helpdesk, but have not heard anything yet.
--
+-------------------------------------------+
| Michael Surato |
| College of Arts and Letters |
| Michigan State University |
| 320 Linton Hall |
| East Lansing, MI 48824 |
| Voice: (517) 353-0778 Fax: (517) 355-0159 |
+-------------------------------------------+
>>> On 1/21/2009 at 2:50 PM, Jon Galbreath <[log in to unmask]> wrote:
> Has anyone else had any users complaining of mail that never gets delivered?
> I've only had one user so far, but unfortunately, I can kind of confirm his
> issue, so I have to look into it.
>
> He's only said that people are calling him because he hasn't responded to
> mail that they sent him, but he apparently has never gotten. I should note
> that this is off-campus mail that is falling into a black hole.
>
> We're running Exchange here, so mail is forwarded in from MSU's servers via
> the standard forwarding in the web interface. Mail within the Exchange org
> is working fine, as is most mail from the outside.
>
> I did a few tests sending mail to myself from Yahoo and Gmail and they came
> through instantly. However, when I sent a couple messages to myself from my
> Exchange server at home, they never showed. But when I replied to a message
> I'd sent myself yesterday, it showed up instantly here. Per the Exchange
> logs, the messages have never hit our servers. Nor have I gotten any NDRs
> sent back to me.
>
> I'm waiting for the user to get back to me with approximate times and
> domains that he's missing mail from, but I thought I'd check if anyone else
> is having issues.
>
> Thanks!
> Jon
>
> Jon Galbreath
> MCSE/Security+
> Systems Administrator
> International Studies and Programs
> Ph: 517-884-2144
> [log in to unmask]<mailto:[log in to unmask]>
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