On Fri, 2010-03-19 at 10:26 +0000, Christian Gregoire wrote:
> Hi all,
>
> One of my clients' MTA is going mad from time to time, issuing 'EHLO <name>' command in a never-ending loop. Exim politely answers with the SMTP banner and the extensions available.
>
> Is there an option equivalent to smtp_accept_max_per_connection to limit the number of EHLO/HELO commands in a single SMTP connection ?
The acl_check_helo is called every time the helo/ehlo is issued -
perhaps you could use a connection based variable to keep a count and
boot servers (or firewall them) once they hit a limit.
--
The Exim manual -
http://docs.exim.org