MailScanner stops delivering e-mail to Postfix

Julian Field MailScanner at
Sun Sep 11 14:28:13 IST 2005

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Can you do an ls -l of the affected directories and files so that we can 
see if there is something different about them?
Also, does MailScanner pick them up if you stop and restart it?
Also, does MailScanner pick them up if you stop and restart just Postfix?
It may be a locking problem.

Can you find a message that MailScanner simply refuses to pick up 
whatever you do with it? If so, please can you send it to me?

Douglas Ward wrote:

> After upgrading MailScanner to version 4.45.4-1 (Mandrake 2005) I have 
> noticed that my mail gateways seem to be stopping delivery at random 
> times.  After a lot of time searching for a postfix error I am 
> starting to think that something may be wrong with MailScanner. 
> Symptoms:
> 1) Postfix accepts the message and places it in the hold queue.  
> MailScanner scans the message but never gives it back to postfix. It 
> remains in the hold queue forever.
> 2) I see e-mail in the queue that is several days old.  MailScanner 
> moved all of the e-mail from that day except for a handful of messages.
> 3) There are times when postfix will run with a certain number of 
> messages in the queue.  I'll check it in the morning and see 59 
> messages (for example).  E-mail will deliver all day and that evening 
> the same 59 messages are still in the queue.  I can usually identify 
> the problematic messages after a few days because they are much older 
> than current e-mail.
> If I manually move the messages from /var/spool/postfix/hold to 
> /var/spool/postfix/incoming they are immediately delivered.  Last 
> night around midnight I dumped 3,000 messages from Friday and Saturday 
> just so they could be delivered.  I saw a similar thread in the 
> archives and checked to make sure our DNS lookups are working 
> properly.  Has anyone seen this before in this new version?  The 
> previous version was rock solid with no delivery problems to speak 
> of.  If I can't find an answer soon I will have to revert to the 
> previous version.  I appreciate your help!

Julian Field
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