On Wed, 23 Nov 2011 13:05:40 -0500, Kevin A. McGrail wrote:
An interesting idea. Sort of a challenge and response with the onus
on the recipient. But I think this is handled by auto whitelist
which
SpamAssassin was one of the first to implement.
SAGREY plugin is wonderfull with /32 in AWL and DKIM tracking
here i have spammers send spammails to my whois account, shame on me
using blacklist_to whois email addr :=)
from and to header is equal, but from and envelope sender is diff
my own from.pm checking this it hits spams that is not spf_pass or
dkim_verifyed
