Re: [Exim] Spamassassin at SMTP time with local_scan

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Author: Matthew Byng-Maddick
Date:  
To: exim-users
Subject: Re: [Exim] Spamassassin at SMTP time with local_scan
On Wed, Apr 17, 2002 at 08:50:01PM +0100, Sean Rima wrote:
> On Wed, 17 Apr 2002, Matthew Byng-Maddick spake thusly:
> >> > http://marc.merlins.org/linux/exim/local_scan.c
> >> How does this tie in with Exiscan, as it would be excellent to have both
> >> tied in at once :)
> > And if you get duplicate mail, don't blame anyone but yourselves.
> Not having looked at linking both, I am curious how you feel there would
> be duplicate mails.


RFC2821 S6.1:
[...]
| To avoid receiving duplicate messages as the result of timeouts, a
| receiver-SMTP MUST seek to minimize the time required to respond to
| the final <CRLF>.<CRLF> end of data indicator. See RFC 1047 [28] for
| a discussion of this problem.


I think that's pretty explicit.

If you don't see why, S4.5.3.2 "DATA Termination" has a bit more discussion.

MBM

--
Matthew Byng-Maddick         <mbm@???>           http://colondot.net/