[Exim] helo_verify_hosts in exim 4.0.1.

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Author: Friso Kuipers
Date:  
To: Exim Users
Subject: [Exim] helo_verify_hosts in exim 4.0.1.
Hello list,

Found rejects at ehlo/helo stage for seemingly sound hosts in the logs.
Here's an example:

-----------------------------------------------------------------
fkuipers@Achtung:~> sendmail -bh 194.109.127.139

**** SMTP testing session as if from host 194.109.127.139
**** but without any ident (RFC 1413) callback.
**** This is not for real!

>>> host in host_lookup? yes (matched "*")
>>> looking up host name for 194.109.127.139
>>> IP address lookup yielded smtpzilla3.xs4all.nl
>>> checking addresses for smtpzilla3.xs4all.nl
>>> 194.109.127.139
>>> host in host_reject_connection? no (option unset)
>>> host in sender_unqualified_hosts? no (option unset)
>>> host in recipient_unqualified_hosts? no (option unset)
>>> host in "192.168.0.0/24"? no (end of list)
>>> host in helo_verify_hosts? yes (end of list)
>>> host in helo_accept_junk_hosts? no (option unset)

220 achtung.darktech.org ESMTP Exim 4.01 Fri, 08 Mar 2002 04:25:29 +0100
helo smtpzilla3.xs4all.nl
550 HELO argument does not match calling host    <--- ???
LOG: rejected HELO from smtpzilla3.xs4all.nl [194.109.127.139]
quit
221 achtung.darktech.org closing connection
-----------------------------------------------------------------------


I'm confused. This is on a linux 2.0.39, libc5 intel box.

Regards,
Friso Kuipers.