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 [212.227.15.188] > by wakis02.local with IMAP (fetchmail-6.3.26) > Thu, 22 Oct 2015 10:40:43 +0200 (CEST) > Received: from [212.227.15.41] ([212.227.15.41]) by mx.kundenserver.de > (mxeue002) with ESMTPS (Nemesis) id 0M1foo-1aeGtV2fLW-00tjIT for > <mailmanser...@waldorfkindergarten-erlangen.de>; Thu, 22 Oct 2015 10:37:47 > +0200 > Received: from mout.web.de ([212.227.15.3]) by mx.kundenserver.de (mxeue002) > with ESMTPS (Nemesis) id 0MVE1V-1a1cd42azt-00YP1m for > <ak-lei...@waldorfkindergarten-erlangen.de>; Thu, 22 Oct 2015 10:37:47 > +0200 > Received: from Klamotten ([84.168.195.183]) by smtp.web.de (mrweb003) with > ESMTPSA (Nemesis) id 0MTh7A-1Zy14E1g36-00QRsw; Thu, 22 Oct 2015 10:37:47 > +0200
This message was incorrectly expanded to 5 header recipients, even though it was delivered upstream to just 1. Your fetchmail is incorrectly resending mail to recipients found in the "To:" header. You have a botched fetchmail installation, and possible lack of upstream multi-drop support. -- Viktor.