nanog mailing list archives
Re: Email peering
From: John Levine <johnl () iecc com>
Date: 18 Jun 2005 14:06:14 -0000
This has the same problem as all of the other duct tape authorization schemes -- it breaks a lot of valid e-mail, ...
In this particular case, the biggest issue is forwarders, ...
This gets into the discussion of what percentage of mail a user gets that is like this. It varies widely.
Agreed. Around here (Ithaca NY) it's probably on the order of 20% due to all of the Cornell grads who still use their cornell.edu address.
Pick a solution or solutions that you like, or not. Virtually all of them will result in some sort of reduction in the current ability of anybody being able to send mail as anyone from anywhere.
Right. That's why for widespread deployment we have to look at the small minority of schemes that don't break legitimate mail. That's why I'm looking at CSV, which makes it easier to assign reputation to sending hosts, and domainkeys (or whatever it's called when they're done mixing in IIM) which if sensibly used makes it easier to whitelist mail from people you like. R's, John
Current thread:
- Re: Email peering (Was: Economics of SPAM [Was: Micorsoft's Sender IDAuthentication......?], (continued)
- Re: Email peering (Was: Economics of SPAM [Was: Micorsoft's Sender IDAuthentication......?] Todd Vierling (Jun 16)
- Re: Email peering (Was: Economics of SPAM [Was: Micorsoft's Sender IDAuthentication......?] william(at)elan.net (Jun 16)
- Re: Email peering Michael . Dillon (Jun 17)
- Re: Email peering Joe Maimon (Jun 17)
- Re: Email peering Suresh Ramasubramanian (Jun 17)
- Re: Email peering Dave Crocker (Jun 18)
- Re: Email peering Steven M. Bellovin (Jun 17)
- Re: Email peering Mike Leber (Jun 17)
- Re: Email peering John Levine (Jun 18)
- Re: Email peering Mike Leber (Jun 18)
- Re: Email peering John Levine (Jun 18)
- Re: Email peering Alexei Roudnev (Jun 19)
- Re: Email peering Suresh Ramasubramanian (Jun 20)
- Re: Email peering (Was: Economics of SPAM [Was: Micorsoft's Sender IDAuthentication......?] Michael . Dillon (Jun 17)
- Message not available
- Re: Email peering (Was: Economics of SPAM [Was: Micorsoft's SenderIDAuthentication......?] Ben Hubbard (Jun 17)
- Re: Email peering Michael . Dillon (Jun 17)
- Message not available
- Re: Email peering Ben Hubbard (Jun 17)
- Re: Email peering Rich Kulawiec (Jun 21)
- Re: Email peering Petri Helenius (Jun 21)
- Re: Email peering (Was: Economics of SPAM [Was: Micorsoft's Sender IDAuthentication......?] Petri Helenius (Jun 18)
- Re: Email peering (Was: Economics of SPAM [Was: Micorsoft's Sender IDAuthentication......?] Suresh Ramasubramanian (Jun 16)