[Dovecot] Multiple copies of a message

[Anne Wilson]

On Tuesday 29 Jan 2008, you wrote:
> On Tue, 29 Jan 2008, Anne Wilson wrote:
> > I have a problem and I don't know which part of the mail chain could be
> > causing it, although dovecot does seem to be the most logical source.
> >
> > I get multiple copies of messages to my Inbox.  I have just deleted 24
> > copies of a newsletter from Computer Shopper.  The worst example I have
> > seen of this had more than 90 copies.  This doesn't happen to any
> > subfolder of Inbox, just Inbox itself.
>
> Does your SMTP server's logs indicate receiving it multiple times?
>
I don't have one of the big ones still on my disk, but I have a couple where I 
have allowed two copies to remain.  /var/log/maillog shows just one copy of 
each of them.

> Me, I use a procmail recipe that removes duplicates, so I don't see
> duplicate messages if they have the same Message ID.  Also, what do the
> headers of these "duplicates" suggest - are they fully identical?.
>
They are identical until the last lines, which read

 X-UID: 2039
 X-KMail-Filtered: 65014
 Status: RO
 X-Status: OC

and

 X-UID: 2040
 X-KMail-Filtered: 65015
 Status: RO
 X-Status: OC

Similarly, 

 X-UID: 2041
 X-KMail-Filtered: 65016
 Status: RO
 X-Status: OAC

and

X-UID: 2042
 X-KMail-Filtered: 65017
 Status: RO
 X-Status: OAC

Anne



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