Re: email duplicates

Why so many hops? Sent from my iPhone > On Oct 28, 2015, at 3:04 AM, Marco Stoecker wrote: > > > >> On 10/27/2015 06:10 PM, Bill Cole wrote: >>> On 27 Oct 2015, at 12:40, Marco Stoecker wrote: >>> [...] >>> I do need some assistance, as this is very new for me. >>>

Re: email duplicates

t;Marco Stoecker" <ma...@stoecker-family.de> Cc: <postfix-users@postfix.org> Subject: email duplicates Date: Wed, Oct 28, 2015 3:07 PM Why so many hops? Sent from my iPhone > On Oct 28, 2015, at 3:04 AM, Marco Stoecker <ma...@stoecker-family.de> wrote: > > >

Re: email duplicates

On 10/28/2015 01:09 AM, Viktor Dukhovni wrote: On Tue, Oct 27, 2015 at 05:40:35PM +0100, Marco Stoecker wrote: message1: Delivered-To: vorstand@localhost Received: from wakis02.local (localhost [IPv6:::1]) by wakis02.local (Postfix) with ESMTP id 98DC6269A; Thu, 22 Oct 2015 10:40:43 +0200

Re: email duplicates

On 10/27/2015 06:10 PM, Bill Cole wrote: On 27 Oct 2015, at 12:40, Marco Stoecker wrote: [...] I do need some assistance, as this is very new for me. Thx in advance. So this is the "Received" header of 5 out of 5 messages. I can't see where the duplication happend :-( Maybe this

Re: email duplicates

On Wed, Oct 28, 2015 at 04:06:26PM +0100, ma...@stoecker-family.de wrote: > I do not understand your question. > I configured mailman as a mailing list server using postfix (relayhost) and > fetchmail as its interfaces to the internet as described for mailman. Not all the question you're

Re: email duplicates

On 28 Oct 2015, at 4:04, Marco Stoecker wrote: As I understand now, the mail from the sender (machine Klamotte) is delivered to the smtp server from web.de which than is delivered to 1und1 (mx.kundenserver). Yes. The second "hop" (between web.de and mx.kundenserver.de) occurs 5 times, once

Re: email duplicates

On Wed, Oct 28, 2015 at 02:51:43PM -0400, Bill Cole wrote: > From that point onward there are 5 distinct messages. > > If those are 5 different mailing lists, subscribers to multiple lists will > receive multiple copies. Not on properly configured systems. We're not talking about subscribers

Re: email duplicates

On 28 Oct 2015, at 15:06, Viktor Dukhovni wrote: On Wed, Oct 28, 2015 at 02:51:43PM -0400, Bill Cole wrote: From that point onward there are 5 distinct messages. If those are 5 different mailing lists, subscribers to multiple lists will receive multiple copies. Not on properly configured

Re: email duplicates

On 10/28/2015 11:04 PM, Bill Cole wrote: > On 28 Oct 2015, at 15:06, Viktor Dukhovni wrote: > >> On Wed, Oct 28, 2015 at 02:51:43PM -0400, Bill Cole wrote: >> >>> From that point onward there are 5 distinct messages. >>> >>> If those are 5 different mailing lists, subscribers to multiple lists

Re: email duplicates

On Thu, Oct 29, 2015 at 12:26:20AM +0100, Marco Stoecker wrote: > Thx Bill and Viktor! > as I discussed this topic in parallel in the mailman mailinglist, we > came there today also to the conclusion, that fetchmail is the root > cause, due to missing envelope information/maildrop capabilities. >

Re: email duplicates

On 10/29/2015 01:07 AM, Viktor Dukhovni wrote: > On Thu, Oct 29, 2015 at 12:26:20AM +0100, Marco Stoecker wrote: > >> Thx Bill and Viktor! >> as I discussed this topic in parallel in the mailman mailinglist, we >> came there today also to the conclusion, that fetchmail is the root >> cause, due

Re: email duplicates

On 10/28/2015 11:04 PM, Bill Cole wrote: > On 28 Oct 2015, at 15:06, Viktor Dukhovni wrote: > >> On Wed, Oct 28, 2015 at 02:51:43PM -0400, Bill Cole wrote: >> >>> From that point onward there are 5 distinct messages. >>> >>> If those are 5 different mailing lists, subscribers to multiple lists

Re: email duplicates

On 28 Oct 2015, at 20:11, Marco Stoecker wrote: On 10/29/2015 01:07 AM, Viktor Dukhovni wrote: On Thu, Oct 29, 2015 at 12:26:20AM +0100, Marco Stoecker wrote: Thx Bill and Viktor! as I discussed this topic in parallel in the mailman mailinglist, we came there today also to the conclusion,

Re: email duplicates

On 10/23/2015 01:26 AM, Wietse Venema wrote: > Marco Stoecker: >>> You need to find the records where the same message is delivered >>> more than once to the same recipient, then look for all the records >>> with the same Postfix QUEUE ID. That will show if the duplication >>> happened BEFORE

Re: email duplicates

On 10/27/2015 05:06 PM, Viktor Dukhovni wrote: On Tue, Oct 27, 2015 at 08:45:20AM +0100, Marco Stoecker wrote: Here is the log, where postfix got the original message (which was sent to 5 mailing lists) and handed over to mailman (which is done 5 times with different postfix ID's). No, the

Re: email duplicates

On Tue, Oct 27, 2015 at 08:45:20AM +0100, Marco Stoecker wrote: > Here is the log, where postfix got the original message (which was sent > to 5 mailing lists) and handed over to mailman (which is done 5 times > with different postfix ID's). No, the logs show 5 incoming messages (from [::1])

Re: email duplicates

On 27 Oct 2015, at 12:40, Marco Stoecker wrote: [...] I do need some assistance, as this is very new for me. Thx in advance. So this is the "Received" header of 5 out of 5 messages. I can't see where the duplication happend :-( Maybe this abridgment will help, reducing each to the first &

Re: email duplicates

On Tue, Oct 27, 2015 at 05:40:35PM +0100, Marco Stoecker wrote: > message1: > Delivered-To: vorstand@localhost > Received: from wakis02.local (localhost [IPv6:::1]) > by wakis02.local (Postfix) with ESMTP id 98DC6269A; > Thu, 22 Oct 2015 10:40:43 +0200 (CEST) > Received: from imap.1und1.de

Re: email duplicates

On 10/21/2015 12:51 PM, Wietse Venema wrote: > Marco Stoecker: >>> All the evidence that you need is logged by Postfix and mailman: >>> track down a duplicate delivery back to the source and look for >>> delivery errors. >> >> Will do a double-check of all the logfiles again. Maybe I have overseen

Re: email duplicates

Marco Stoecker: > > You need to find the records where the same message is delivered > > more than once to the same recipient, then look for all the records > > with the same Postfix QUEUE ID. That will show if the duplication > > happened BEFORE Postfix or INSIDE Postfix.S It may not matter for >

Re: email duplicates

Marco Stoecker: > > All the evidence that you need is logged by Postfix and mailman: > > track down a duplicate delivery back to the source and look for > > delivery errors. > > Will do a double-check of all the logfiles again. Maybe I have overseen > something. As I'm not the 'expert' in those

Re: email duplicates

On 10/20/2015 11:31 PM, wie...@porcupine.org wrote: Marco Stoecker: -- Start of PGP signed section. Hi, I do have a combination of postfix and mailman and use postfix as a relayhost. I get all the mails for mailman via fetchmail. The whole system is Debian 8 with its packages for postfix

email duplicates

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Hi, I do have a combination of postfix and mailman and use postfix as a relayhost. I get all the mails for mailman via fetchmail. The whole system is Debian 8 with its packages for postfix (2.11.3-1) and mailman (2.1.18-2). Now to the problem:

Re: email duplicates

Hi Marco, What do your postfix logs say for one of the duplicated deliveries? When I have seen duplicate deliveries in the past, they were caused by connection problems that prevented the final SMTP handshake from being completed, which would acknowledge the receipt of the message. Then postfix

Re: email duplicates

Marco Stoecker: -- Start of PGP signed section. > Hi, > > I do have a combination of postfix and mailman and use postfix as a > relayhost. I get all the mails for mailman via fetchmail. The whole > system is Debian 8 with its packages for postfix (2.11.3-1) and > mailman (2.1.18-2). > > Now to

Re: email duplicates

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 On 10/20/2015 11:31 PM, k...@rice.edu wrote: > Hi Marco, > > What do your postfix logs say for one of the duplicated > deliveries? I've attached the piece of the mail.info where the duplicate occurs > When I have seen duplicate deliveries in the