On Tue, 08 Feb 2011 15:47:12 +0000 Steve Freegard <st...@stevefreegard.com> wrote:
> See http://www.fsl.com/index.php/resources/whitepapers/99 "Once that has been proven then that 'hostid' is exempted from further greylisting for 40 days since it was last seen." :) Our CanIt system has been doing this since at least 2005. Also, I wrote about greylisting a few months before Evan Harris published his paper: http://groups.google.com/group/comp.mail.sendmail/msg/ef7624049e1193a2?hl=en Regards, David.