Date: Thu, 28 Aug 2008 01:26:34 +0930 From: Wayne Sierke <ws@au.dyndns.ws> To: Steve Bertrand <steve@ibctech.ca> Cc: Peter Ulrich Kruppa <ulrich@pukruppa.net>, FreeBSD-Questions <freebsd-questions@freebsd.org> Subject: Re: Spam sent to me from my own mail server ? Message-ID: <1219852594.49053.249.camel@predator-ii.buffyverse> In-Reply-To: <48B57570.9040707@ibctech.ca> References: <48B566EA.2000406@pukruppa.net> <48B57570.9040707@ibctech.ca>
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On Wed, 2008-08-27 at 11:40 -0400, Steve Bertrand wrote: > Peter Ulrich Kruppa wrote: > > Hello, > > > > for some time now I keep receiving spam mails from my own (small) mail > > server, some of them with faked usernames some of them even with my own > > (ulrich@...). > > How have you identified that they are actually being delivered by your > server itself? > > It is my experience that this is likely not the case, and it is only > your addresses that are being forged. > Additionally, I see sendmail add the local domain to the From field of incoming messages where the domain is missing. I've seen this on numerous spam messages and even the occasional legitimate email. It's been on my to-do list to look into this and modify it. Had me scratching my head for a while the first time I saw it. Wayne
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