Re: AOL rejecting hosts with no rDNS?2004-06-25 06:33:45Carl Hutzler wrote: 1.2.3.4 has PTR mail.foo.com, then mailserver will check that mail.foo.com as 1.2.3.4 as IP.This kind of rule elimate 80% of spam. Other servers are just half configured systems, so colateral damages are not too mutch big./XavierExcept for webhosting companies who have 1000's of domains on a single IP address. Right? There's nothing stopping them having d.c.b.a.in-addr.arpa. PTR someserver.webhostingco.com. someserver.webhostingco.com. A a.b.c.d Paul.
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