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I did the check, but it's coming back clean. Also, like I said, if I send a REPLY to a message I sent myself yesterday, it comes through with no problem. If I send a NEW message, it never shows. It's very mysterious :) Jon Galbreath MCSE/Security+ Systems Administrator International Studies and Programs Ph: 517-884-2144 [log in to unmask] -----Original Message----- From: MSU Network Administrators Group [mailto:[log in to unmask]] On Behalf Of Steve Bogdanski Sent: Wednesday, January 21, 2009 3:01 PM To: [log in to unmask] Subject: Re: [MSUNAG] Mail Disappearing? 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]>