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Re: -ERR unable to scan $HOME/Maildir

To: qmail@list.cr.yp.to
Subject: Re: -ERR unable to scan $HOME/Maildir
From: Charles Cazabon <qmail@discworld.dyndns.org>
Date: Fri, 30 Mar 2007 08:58:25 -0600
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Martin Furman <Martin.Furman@vayan.com> wrote:
> Hello all

Your message was sent as multipart/alternative (i.e. one copy in plaintext,
plus another (much larger) copy in HTML).  Please configure your MUA to send
plaintext-only when sending to mailing lists; the HTML bloats your message for
no reason, and causes it to get discarded by peoples' spam filters.

If you don't know how to fix your MUA, the following page has instructions
for many common MUAs:
http://pyropus.ca/personal/writings/nomime.html

> For some reason we are now getting an error from our popping script "-ERR
> unable to scan $HOME/Maildir". I noticed that there was about 400K in
> Maildir/new, but we had the amount before without any probs.

The typical problems here are timeouts or memory use, however ...

> I also raised our softlimit to /usr/local/bin/softlimit -m 9000000 in
> /services/qmail-pop3/run.

Run a system call trace on qmail-pop3d to find out what's failing.  Or simply
reduce the number of messages in that maildir to something sane -- 400,000
messages in a maildir is madness.

Charles
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Charles Cazabon                               <qmail@discworld.dyndns.org>
Read http://pyropus.ca/personal/writings/12-steps-to-qmail-list-bliss.html
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