Stanislav Sinyagin wrote: > last AprilMartin Blapp has presented a nice concept at SwiNOG: > > instead of greylisting, the SMTP server delays the first OK response to > HELO/EHLO > for 30 seconds. That is usually enough for the vast majority of spambots to > give up.
On a heavy traffic mail server, you probably run into a max session problem when you try to hold many idle connections for 30 seconds. - Dan _______________________________________________ swinog mailing list swinog@lists.swinog.ch http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog