nanog mailing list archives
Re: AOL rejecting mail from IP's w/o reverse DNS ?
From: Michael.Dillon () radianz com
Date: Wed, 3 Dec 2003 17:55:47 +0000
What about speaking plain old smtp, but with transport / mailertable rules routing all mail for domain X (say AOL or MSN) to "special access" servers that have firewall ACLs allowing only connections from a restricted set of IPs?
If it's behind a firewall, then it's not on the Internet. Since NIMTP is a proposal for improving Internet email, then I think a new port number is in order. However, anyone is free to implement NIMTP peering by using a firewall to redirect new-port-number traffic to port 25 on some existing mail servers if that suits their purposes. NIMTP is lightweight technically, i.e. no new code needed, just reconfigure things a bit. The real solution resides in the agreements and the AUP that they will enforce and that has to be hashed out by the people who run mail services at the large ISPs. Not by the BGP peering folks and not by the IETF and not by the anti-spammer brigade. --Michael Dillon
Current thread:
- Re: AOL rejecting mail from IP's w/o reverse DNS ?, (continued)
- Re: AOL rejecting mail from IP's w/o reverse DNS ? Michael . Dillon (Dec 03)
- Re: AOL rejecting mail from IP's w/o reverse DNS ? Petri Helenius (Dec 03)
- RE: AOL rejecting mail from IP's w/o reverse DNS ? Tony Hain (Dec 04)
- And your solution is? (was RE: AOL rejecting mail from IP's w/o reverse DNS ?) Sean Donelan (Dec 04)
- RE: AOL rejecting mail from IP's w/o reverse DNS ? Jeffrey Paul (Dec 03)
- Re: AOL rejecting mail from IP's w/o reverse DNS ? Suresh Ramasubramanian (Dec 03)
- Re: AOL rejecting mail from IP's w/o reverse DNS ? Dave Howe (Dec 03)
- Re: AOL rejecting mail from IP's w/o reverse DNS ? Michael . Dillon (Dec 03)
- Re: AOL rejecting mail from IP's w/o reverse DNS ? Greg Maxwell (Dec 03)
- Re: AOL rejecting mail from IP's w/o reverse DNS ? Suresh Ramasubramanian (Dec 03)
- Re: AOL rejecting mail from IP's w/o reverse DNS ? Michael . Dillon (Dec 03)
- Re: AOL rejecting mail from IP's w/o reverse DNS ? Michael . Dillon (Dec 03)