Re: [exim] Client SMTP keepalive methods?

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Author: Tony Finch
Date:  
To: Chris Blaise
CC: exim-users
Subject: Re: [exim] Client SMTP keepalive methods?
On Tue, 6 Jun 2006, Chris Blaise wrote:
>
>     Is there a way for exim to do an SMTP level "keepalive" to clients
> during long data scanning (ie.spam, virus, etc)?


No. There is no interoperable specification for doing this.

Note that the SMTP standard requires clients to wait at least 10 minutes
for the post-DATA response. If Outlook only waits 1 minute then it is not
compliant with the specification. What a surprise!

>     Or is there a recommended practice for dealing with this issue that
> doesn't involve accepting the message and scanning later?


Ensure that your scanning is fast.

Tony.
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\N}{([^N]*)(.)(.)(.*)}{\$1\$3\$2\$1\$3\n\$2\$3\$4\$3\n\$3\$2\$4}}