Beginner Question

Martin.Hepworth martinh at
Wed Nov 21 09:28:23 GMT 2007




For a FACT based response to all this...

Martin Hepworth
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300

> -----Original Message-----
> From: mailscanner-bounces at [mailto:mailscanner-
> bounces at] On Behalf Of Andreas Kasenides
> Sent: 21 November 2007 09:16
> To: MailScanner discussion
> Subject: Re: Beginner Question
> I am a relatively newcomer to the MailScanner land but I have been running
> mail servers
> (sendmail for too many years to admit and postfix for the last 3 years)
> and I have come
> across this Postfix-with-MS incompatibility issue. Apparently the Postfix
> developers
> are seriously anti-MS because MS DOES not use their own way of message
> passing
> between the SMTP processes and the MS processes (apparently they recommend
> LMTP).
> I have read a lot of this on the Postfix lists and while there is a
> serious issue of how
> a message is moved from the SMTP service to the virus/spam-detecting
> service  I have come to the
> conclusion that there are only a couple of issues that need to be
> clarified from the MS point of view
> (the rest seems politics to me which I cannot comment since I do not know
> the players involved):
> 1. How does MS make sure that when dealing with the incoming Postfix queue
> it does not ake a mess
> of it? In other words how does MS know that a message in the queue is free
> and ready to be processed
> and that Postfix is not working on it?
> 2. Apparently the Postfix guys believe that the queue file structure is
> there own internal "thing"
> which they do not or would not make public and if a new upgraded structure
> is created MS will fail miserably
> upon Postfix upgrade. Remember that MS depends on this structure to
> properly make changes in the
> files.
> I was very suddened by the discussion in the Postfix lists. In my view
> this sort of thing should
> happen in the commercial software world, not on open source projects.
> I would appreciate an answer (even if it is obvious) from somebody that
> knows enough of the internals
> of MS.
> thanks!
> Andreas Kasenides
> Joseph L. Casale wrote:
> 	Hi,
> 	I was looking for a complete tutorial to setup a mail filter for our
> existing server and came upon the following article
> ( but reading the
> comments below it, it stated the implementation of Mailscanner with
> postfix in this manner was unsupported?
> 	Can you guys confirm or deny this, and if so possibly recommend a
> similar tutorial?
> 	Thanks for any input!
> 	jlc

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