We look up the PTR but don't (yet) reject if none - however frequently the SMTP
connection times out before the DNS PTR lookup does, causing high failure
percentage
- when the PTR-less domain calls for assistance, we explain PTR and point them
to
www.dnsstuff.com ;-)
Chuck Mead wrote:
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systhine(_at_)tampabay(_dot_)rr(_dot_)com wrote:
| I was just browsing my SMTP log and found this:
|
| "America Online (AOL) and it's affiliated companies do not authorize
the use of it's proprietary computers and networks to accept, transmit,
or distribute unsolicited bulk e-mail sent from the internet. Effective
immediately: AOL may no longer accept connections from IP addresses
which have no reverse-DNS (PTR record) assigned."
|
| I found it interesting. Is this a policy of many MTAs?
It's configurable in many MTA's but I've not found MTA's setting policy. :-)
Generally the MTA's are configured in accordance with the organizational
owner of the MTA. ;-)
For my part I reject these out right on our mail hosts. "Get right or
get gone!" is my motto. He-he!
- --
Chuck Mead
csm(_at_)moongroup(_dot_)com
Chief Tech @ http://moongroup.com - http://anirononline.com
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