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Old 08-16-2012, 07:56 AM   #1
revolv
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Sendmail 4 hour warning message


Hey everyone. I have 2 sendmail servers that are running in tandem to forward mail on to a smarthost. Lately (over the past couple of days) my mail queue has started to back up a little bit and users are getting messages about the mail being 4 hours old ("Warning: message still undelivered after 4 hours"). Is there a way to disable this message from being sent to them?
 
Old 08-17-2012, 07:48 AM   #2
unSpawn
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Quote:
Originally Posted by revolv View Post
Is there a way to disable this message from being sent to them?
Yes, explicitly setting "Timeout.queuewarn.*" settings in sendmail.mc, generating sendmail.cf again and restarting Sendmail, but remember 0) these are sane defaults and 1) more importantly reconfiguring your MTA for what (hopefully) is a transient situation is a placebo: fix the cause, not the symptoms.
 
Old 08-17-2012, 08:51 AM   #3
revolv
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@unSpawn - I am of the same mindset. My boss, however, isn't. I believe that the issue resides with our hosted spam/virus filtering company that we smarthost the mail to but we're still looking into that. I really appreciate the info and the help on this. On a somewhat different note, I inherited this position as the Sendmail admin and haven't spent much time with the MTA before this (I was always an Exim guy). Do you have any suggestions on a comprehensive Sendmail guidebook?
 
Old 08-17-2012, 11:18 AM   #4
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