[69330] in North American Network Operators' Group
Re: Mailserver requirements
daemon@ATHENA.MIT.EDU (Peter Galbavy)
Tue Apr 6 10:13:29 2004
From: "Peter Galbavy" <peter.galbavy@knowtion.net>
To: "Charles Sprickman" <spork@inch.com>,
"Arnold Nipper" <arnold@nipper.de>
Cc: "NANOG" <nanog@nanog.org>
Date: Tue, 6 Apr 2004 15:12:44 +0100
Errors-To: owner-nanog-outgoing@merit.edu
Charles Sprickman wrote:
> This is yet another misguided effort to semi-telepathically tell if a
> sender is "suspicious". Personally, I see nothing odd about a largish
> operation having one set of servers accepting mail and another set
> exclusively acting as smtp relays for customer mail. People that
> choose to do the "does it have an mx check" are hopefully blocking
> some really large amount of legit mail with the spam, as I can think
> of dozens of reasons why someone might wish to have their inbound
> mxers seperate from their outbound relays...
A simple one would be that my outbound relays have queue and retry schedules
different to my inbound SMTP listeners, which may more simply be configured
for checking for SPAM etc. Also SMTP authentication for customers relaying
may only be enabled on my outbound relays.
Peter
