On Wednesday 30 January 2008 18:14:19 you wrote: > On Wed, 30 Jan 2008, Anne Wilson wrote: > > 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. > >>> > >>> The problem started about 10-14 days ago, on the old mail server > >>> (running Mandriva 2007.1). The new server runs CentOS and exhibits the > >>> same problem. > >>> > >>> I'd be interested in any comments, as my efforts to track it down have > >>> got nowhere. > >> > >> Are you using Dovecot's 'deliver' as your LDA (local delivery agent)? > >> Otherwise I'd suspect the problem lies in whatever you're using for your > >> local deliveries, creating some kind of mail loop. Check your > >> .forward/.qmail/.procmail/whatever files. I haven't heard of/seen > >> dovecot duplicating messages unless there are actually multiple copies > >> in your mailbox. > > > > Everything looks fine, and remember that this started on a server that > > had been running correctly for a long time. > > Yes, but these aren't hard-coded things. It's usually a configuration > change of some sort that results in inadvertent loops. > Fair comment. I did look when you suggested it, but I'll go through everything again in the morning.
> >> If your LDA isn't already doing so, add a 'Delivered-To' or > >> 'X-Mail-Loop' header at each stage, so you can more easily tell if this > >> is what's happening. > > > > How/where do I do that? > > With procmail, you could add something like: > > # fw means filter and wait > > :0fw > : > | formail -fbA "Delivered-To: (information here)" > > (e.g. in my case '(information here)' would be '[EMAIL PROTECTED]') > OK, thanks. I'll try that tomorrow, too. > >> And then (I assume you've done this, but it should be said) > >> look at the headers of the duplicated messages to see if they're 1) > >> actually distinct messages [external problem] 2) being delivered > >> multiple times > > > > They appear to be single messages, delivered multiple times. See my > > reply to Asheesh Laroia. > > Forthcoming? I don't see a reply on-list. > Apologies. It seems that I forgot to switch on list management in kmail. I've re-sent the message, this time to the list. It should arrive along with this. BTW, one of the pairs of messages I compared in that message now has 30 copies in my inbox - two this morning, when I wrote the message. Anne
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