Den 2012-07-12 08:50, Robert Schetterer skrev:
i wouldnt invest time in it
spf does not solve spam problems in general, its may only one from
many
parameters for spam tagging check
currect
any spammer can have valid spf records, also strict ones
also any legal mail sender
currect
in deed many spammers have valid spf entries in dns
currect
in case of hacked accounts at big mailers like yahoo,aol etc
you have also valid dkim too, so at the end body content filtering
needs
to be done however
this is not an spf issue
where is the pastebin samples of spammers benefit from spf_pass ?