8 Feb
2004
8 Feb
'04
4:01 p.m.
"Paul" == Paul Vixie <vixie@vix.com> writes:
Paul> that's one check of many. the PTR has to match the HELO, which Paul> means all of the worms and spammers who forge @yahoo.com Paul> addresses and use YAHOO.COM as their HELO will continue to get Paul> hammered. If you're going to get picky about HELO names, then it's better to require that the HELO has an A record pointing to the connecting IP, rather than look at PTR. -- Andrew, Supernews http://www.supernews.com