Jacqui Caren:
> Victor Duchovni wrote:
> > On Mon, Jun 08, 2009 at 08:40:27AM -0700, Jeff Grossman wrote:
> >>> Jun 8 13:04:17 dsrv postfix/smtpd[13477]: disconnect from
> >>> polluce.unimo.it[155.185.1.151]
> >> I am by no means an expert at e-mail. But, my first guess would be that
> >> the server at polluce.unimo.it did a test of the recipient of the e-mail.
> >> It connected, tested the recipient e-mail address, and then disconnected.
> >
> > That's exactly right. The receiving system performed sender address
> > verification.
>
> Question: can you tell from the logs whether the SAV system
> QUIT or simply disconnects. I currently track failure to
> use quit (via assp front end) as a factor when deciding
> which IPs to blacklist.
Just so you know, Postfix won't always send QUIT.
Wietse
