[Dovecot] Corrupted Mail?

Arthur Dent arthurdent.london at gmail.com
Wed May 28 07:03:46 UTC 2014


On Tue, 2014-05-27 at 16:31 -0700, Joseph Tam wrote:
> Arthur Dent <arthurdent.london at gmail.com> writes:
> 
> > I get my mail from a variety of ISP and online email accounts using
> > fetchmail. I guess there's no change needed there?
> >
> > That feeds into procmail. I think I will have to change the mail
> > procmail configuration file and ALL my procmail recipe rc files (I have
> > many) - which filter into several different mboxs?
> 
> As others have intimated, the use of procmail as your LDA is causing your
> mailbox to become inconsistent with respect to your indices.  Procmail is
> appending your messages to mailboxes, but is ignorant of the existence
> of dovecot indices, and does not update them.  When your IMAP service
> access those mailboxes, it detects this condition, and that's the log
> messages you are seeing.
> 
> I think those messages are benign -- you can probably ignore it.
> Dovecot will automatically rebuild them.
> 
> The alternative is to let dovecot's be responsible for message delivery:
> it can then update the indices, and IMAP/POP will find consistent indices.
> 
> Try this at the end of procmailrc for regular delivery to the INBOX
> 
>  	################################################################################
>  	# Replace default action using dovecot-lda to maintains caches.
>  	################################################################################
>  	:0 w
>  	| /location/of/dovecot-lda -d $USER
> 
> For for non-INBOX filtering, try something like
> 
>  	:0 Hw
>  	*^Subject: TEST
>  	|/location/of/dovecot-lda -d $USER -m testbox

Thanks Joseph - this is really useful.

By coincidence (whilst researching all of this) last night I cam across
this page:
http://wiki2.dovecot.org/procmail
which says exactly what you suggested. I tried it as an experiment on
just one of my mailing list recipes. It didn't work and dropped through
to my default inbox. This is what I have:

:0 w
* ^List-Id:.*users.lists.fedoraproject.org
| $DELIVER -m $DESTDIR/MLists/Fedora

where:
DELIVER=/usr/libexec/dovecot/deliver
DESTDIR=/home/mark/mail/
are defined in a the main procmailrc

This is what I found in the procmail log:
lda: Fatal: destination user parameter (-d user) not given
procmail: Program failure (64) of "/usr/libexec/dovecot/deliver"
procmail: Couldn't determine implicit lockfile from "spamc"
>From users-bounces at lists.fedoraproject.org  Wed May 28 01:39:03 2014
 Subject: Five Things in Fedora This Week (2014-05-27)

Why did this mail not get delivered to /home/mark/mail/MLists/Fedora?

Thanks again

Mark





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