nanog mailing list archives

Re: Port 587 vs. 25 [was: DNS Hijacking by Cox]


From: Mikael Abrahamsson <swmike () swm pp se>
Date: Mon, 23 Jul 2007 11:49:19 +0200 (CEST)


On Mon, 23 Jul 2007, Jeroen Wunnink wrote:

It's a lot more trouble for hosting providers that provide customers with webhosting and E-mail services.

Why? What stops you from migrating them to TCP/587? I'd imagine direct TCP/25 access to your servers would be spotty at best, anyway. Where I'm at, there are more ISPs blocking TCP/25 to anything but their own email servers, that those who do not block.

--
Mikael Abrahamsson    email: swmike () swm pp se


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