However, I know how much of a pain in the ass that this can be. ANy chance that DNS is flakey? Are you running round-robin DNS? This can happen by "accident" sometime, if two entrys are made for the same hostname. Although if it was a DNS problem, I would suspect that LOTS of people would have this problem (About 50% of people would have a problem at any given time, if there's a 1:2 round-robin setup, and so on). How about telling us how often this happens? Does it happen with specific machines more than others? Anything else?
Thanks -dant
Eucke Warren wrote:
I am hoping someone will recognize some of the symptoms that I am experiencing and be able to suggest a direction for a cure. I have a couple of servers who's primary role is email. These are all RH9 updated via FL/apt-get with all current and available patches applied. I am also running Spamassassin/spamass milter/vexira. 99% of my users are using Outlook Express for their clients. Frequently, when the users try to send email, they get a message that the Server Unexpectedly Terminated the connection and the message does not get sent. After some time passes....the message will eventually be sent. I have poured over the logs and cannot seem to find anything that would suggest a pattern. I have checked TOP and FREE to see if maybe the server is overloaded and that has not been the case. I have checked the firewall and tightened up a thing here and there but nothing that would seem to be related....though I did see one of those /220/220/220/220 gethostbyname entries. I am not running anything that should be vulnerable to that exploit though. Any suggestions? Anything else I can check? I am beginning to suspect that the problem may be in a module that was updated recently but am not sure.
Thanks guys!
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