CentOS 4.1 final w/posix lock still having issues

Richard D Alloway ralloway at WINBEAM.COM
Thu Oct 6 20:49:55 IST 2005

On Thu, 6 Oct 2005, Richard D Alloway wrote:

> On Wed, 5 Oct 2005, Kevin Spicer wrote:
>> On Wed, 2005-10-05 at 10:17 -0400, Richard D Alloway wrote:
>>> But, I still get deliveries with the dreaded "Message body disappears" 
>>> errors.
>> ...
>>> What should I look for at this point?
>> Wild shot in the dark, from the one time I saw this myself (very long
>> time ago).  Make sure that sendmail is being started from the
>> MailScanner startup scripts and that you have the noetrn option on in
>> that startup script (its there by default so it should be...).  Also
>> worth grepping the logs for etrn, just in case the command line option
>> isn't being honoured for some reason.  You don't want to let folks use
>> etrn!
>> Probably not your problem, but doesn't hurt to check.
> Thanks for the suggestions, but it doesn't look like etrn is the issue.  We 
> don't have anyone using etrn at all on any of our mail servers at this point 
> and the noetrn option is in the MailScanner startup script.  Also, the only 
> reference to etrn in the logs are lines like:
> Oct  6 09:59:55 smtp-gateway-5 sendmail[22406]: j96DxtOg022406: 
> [218.68.xxx.xxx] did not issue MAIL/EXPN/VRFY/ETRN during connection to MTA
> So, there's still something going on that I'm not aware of...
> Any other thoughts? :)
> -Rich

In addition to any further thoughts anyone has regarding why identical 
installations fail (No Message Collected error) when the only difference is the 
one failing is the only CentOS box deployed, can someone tell suggest a way to 
watch the locking processes for sendmail and MailScanner?

I can do a strace on sendmail and watch sendmail opening the files in mqueue.in 
with O_EXCL but watching MailScanner with the same options to strace only shows 
a bunch of temp files in /tmp and some for clamav.

This is regardless of whether it is one of my 5 boxes that is working or the 1 
box that isn't.



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