d tbsky <tbskyd@gmail.com> wrote:
>
> we use qmail-scanner and clamav for virus scans. it would take about 70
> seconds to scan a 15 MB email. so the outlook 2003/2007 think smtp-timeout
> when clamav is working. outlook disconnect and try send the mail again in a
> few minutes. but qmail think the mail is ok, so it deliver the mail to
> user.
Yup.
> so outlook try to send the same mail again and again, and the user receive
> the same mail again and again.
Yup.
> change outlook timeout fix this.
Yup.
> but i wonder if we can let qmail-smtpd sent out a "keep alive" message when
> qmail-queue is working?
No, that's not possible. The SMTP specification does not allow anything to be
sent to the client while waiting for the "real" response to the DATA command.
Charles
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Charles Cazabon <qmail@discworld.dyndns.org>
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