[Mimedefang] DNS Lookups in MD - Was RBL and DNS lookups

Kevin A. McGrail kmcgrail at pccc.com
Tue May 15 10:33:05 EDT 2007

>>> This test is based on AOL's reverse pointer rules.  AOL uses this test
>>> to  outright block email.  We use it ONLY to score email.
> No they don't.  AOL says they "may" block mail without PTR.

Yes, but they do use the test to block email.  They may not always use it 
but they do use it.  Trust me.  I've researched it at least a hundred times.


More information about the MIMEDefang mailing list