Messages sittin gin Outgoing Queue

2015 pts.
Tags:
Microsoft Exchange
Software
SBS 2003 w/Exchange 2003 fully patched. Since I have applied the latest round of patches, no mail has left this server. The message I get when looking at the queues is "The remote server did not respond to a connection request." I've been looking all over the Internet and have not found anything that may help me resolve this issue. I've not gotten any event log entries yet as none of the messages have timed out. It is not selective--all messages sit in the ueues. Any suggestions? I can TELNET into various of the mailservers giving me a problem. I have run SMTPdiag successfully against others. Worth noting is that Yahoo! took a long time to give replies with two of the mail servers listed in MX records timing out. Both were run on the affected server. I am beginning to suspect the linksys router I have in place. I have known them to fail in strange ways. I'll not be able to get a replacement until at least tomorrow, if not the next day. Perhaps worth noting, this started when my server was under attack by some cretin trying to relay against it to the tune of 5000 messages per hour. Also, this is my home server. Fortunately, I have other means of sending messages, and incoming mail does not seem to be affected.

Answer Wiki

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I can see two possibilities:

1. If it was being used as relay, you may have been blacklisted.

2. If you have spam filtering software, it may be set to generate a Non-Delivery Report to the spam senders. Some of those severs tend not to receive mail.

Discuss This Question: 5  Replies

 
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  • Aalborz43
    There's nothing in the latest batches of patches that would cause Exchange to not function.. I also suspect the issue has to do with spam and your server being used an open relay. You might want to review this: http://support.microsoft.com/default.aspx?scid=KB;EN-US;324958 and reboot the server just for grins... If this doesn't help, perhaps as you said it could be your router.
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  • Stevesz
    Thanks for the replies. I appear to have fixed the problem. flyinggoos: Someone ws attempting to use my server as a relay. I don't believe anything actually got through it. The nly reason I knew was the amount of traffic I was seeing coming through my other equipment, and the errors filling up my application log. As for your #2, no third party spam software on the server, using IMF, rDNS filtering, and a couple of blacklists.Get very little spam through that way. aalborz43: The link to that Microsoft KB article may have helped.I really did not think it was the patches, because I had not heard anything about any problems with them. However, having just applied them, then having the mail stop like that does raise one's suspicions. I followed the instructions on creating a connector (there is none on the defualt install as they claim), As I told flyinggoose, some one did try to relay, but had failed, big time, since relaying was shut off. No one is allowed to relay. I did create the connector and dumped all the messages that were waiting to be delivered. Once they were gone (she doesn't listen to me--there are other methods we can use to get mail out, but she would not change her default method), and I checked the Bad Mail folder (empty) I rebooted and mail began to flow again. I think it was more the reboot than anything else that helped, but getting rid of the existing messages probably did not hurt. Thanks for the help.
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  • Aalborz43
    No problem Steve. I'm glad I could help. As for the connector, there should be a connector there... Wasn't the box set up with the SBS wizards?
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  • Flyinggoose
    I am glad you fixed your problem. Wish I could been more help to you. Reboots - Fixes majority of our problems, but the last thing we seem to try. Atleast for me.
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  • Stevesz
    I don't recall which wizards were used. Some were, others were forgone because it was simply easier to just do it rather than go through all the steps of the wizards, and some were skipped so I could change certain things because the majority of the setup was done at another location, and not on site, so it was largely just put the fool thing in place when I brought it home. Flyinggoose--the machine had been rebooted previously. I think it was something that had gotten stuck in the queues that did not allow anything fgoing out, and completely clearing the queues was more the trick, with the reboot being the icing on the cake.
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