At 3:29 PM -0500 2/13/06, Scot L. Harris wrote: >On Mon, 2006-02-13 at 15:14 -0500, Tony Nelson wrote: > >> I wonder if greylisting pays any attention to MX records? (I just don't >> wonder enough to look for myself.) > >None of the greylisting implementations I am aware of looks at MX >records. OK. ... >Greylisting still works wonders since the bulk of the spam still appears >to come from non-compliant zombie hosts which just spray email and don't >bother to check any of the return codes. ... Early-talker checks can catch those without ever sending any SMTP stuff to them. The presence of a second input line in the buffer before the first response shows early talking. ____________________________________________________________________ TonyN.:' <mailto:tonynelson@xxxxxxxxxxxxxxxxx> ' <http://www.georgeanelson.com/>
