From: Paul Hutchings (paul.hutchingsmira.co.uk)
Date: Wed Jun 02 2004 - 02:46:30 CDT

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Usually when PIX issues occur disabling smtp fixup seems to be the
suggestion.

regards,
Paul
--
Paul Hutchings
Network Administrator, MIRA Ltd.
Tel: 44 (0)24 7635 5378, Fax: 44 (0)24 7635 8378
mailto:paul.hutchingsmira.co.uk

> -----Original Message-----
> From: Erik Forsberg [mailto:forsberg+pfucendio.se]
> Sent: 02 June 2004 08:42
> To: postfix-userspostfix.org
> Subject: Inbound connections through Cisco PIX failing?
>
>
> Hi!
>
> I have a problem at a customer site, with a newly installed Postfix
> version 2.1.1. The Postfix machine is behind a Cisco PIX firewall, as
> seen by trying to connect from the outside:
>
> 220 SMTP/cmap
> ready_________________________________________________________________
>
> Now, the problem is that mail from hotmail, and quite a few other
> domains, doesn't arrive as expected. The only thing seen in the
> Postfix logs are entries like these:
>
> May 28 04:16:27 eskil postfix/smtpd[14289]: connect from
> bay17-f42.bay17.hotmail.com[64.4.43.92]
> May 28 04:16:28 eskil postfix/smtpd[14289]: disconnect from
> bay17-f42.bay17.hotmail.com[64.4.43.92]
>
> There is nothing inbetween the two lines above for that particular
> smtpd process.
>
> I suspect this is a problem with the Cisco PIX. Unfortunately, I don't
> know the exact version of the PIX, nor have I been able to put
> hotmail.com in the debug_peer_list to get more info out of Postfix,
> and currently the customer has gone back to his old Sendmail
> configuration (which works flawlessly for all inbound connections).
>
> Any ideas on this? I know there was problems with Postfix _sending_
> mail to other servers behind a Cisco PIX, a few years ago, but I
> haven't heard of the other direction. On the other hand, I've been off
> this list a while.. I couldn't find any relevant Google hits or FAQ
> entries.
>
> Regards,
> \EF
> --
> Erik Forsberg Telephone: +46-13-21 46 00
> Cendio AB Web: http://www.cendio.com
>
>

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