[Pkg-exim4-users] exim4 dnslists blocks all mail

Marc Haber mh+pkg-exim4-users at zugschlus.de
Tue Jul 10 20:06:55 UTC 2007

On Mon, Jul 09, 2007 at 09:06:53PM +0200, Thijs Koetsier wrote:
> I'm using Exim4 on Debian Sarge.
> Since today my mailserver began to block all e-mails in and out, claiming it
> was relayed from blocked IP's in my dnslists-variable (located in
> conf.d/acl/30_exim4-config_check_rcpt)
> Typical messages returned were like;
> When sending e-mail out:
> 	<my domain #5.5.0 smtp;550-Message rejected because (my domain)
> [] is blacklisted at>
> 	(at the zeros my originating IP# was filled in.)


> When sending e-mail in from other domains such as hotmail.com:
> 	Reporting-MTA: dns;bay0-omc2-s9.bay0.hotmail.com
> 	Received-From-MTA: dns;BAY106-W13
> 	Arrival-Date: Mon, 9 Jul 2007 11:44:32 -0700
> 	Final-Recipient: rfc822;my-local at email.address
> 	Action: failed
> 	Status: 5.5.0
> 	Diagnostic-Code: smtp;550-Message rejected because
> (bay0-omc2-s9.bay0.hotmail.com) [] is
> 	550 blacklisted at list.dsbl.org see
> In my exim4 logfiles, I indeed witnessed all e-mails being blocked for being
> blacklisted at one of the hosts in my dnslists-variable.

At which of the hosts? How was that DNSBL behaving at the time you
experienced this? Did you try manual queries, maybe also from a
different site (such as http://rbls.org/)?

> Adding back servers one by one only resulted in all e-mails bouncing due to
> that specific server.

Which specific server? You are holding back all information that might
be enable people to help you.

> When all servers were listed, mails just bounced by all servers randomly.

What happened when you listed only that single entry?

Oh yes, and, please, do not hijack threads. Open your own.


Marc Haber         | "I don't trust Computers. They | Mailadresse im Header
Mannheim, Germany  |  lose things."    Winona Ryder | Fon: *49 621 72739834
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