[101440] in North American Network Operators' Group
Re: SMTP addresses in <>
daemon@ATHENA.MIT.EDU (Donald Stahl)
Fri Jan 4 11:28:45 2008
Date: Fri, 4 Jan 2008 11:24:17 -0500 (EST)
From: Donald Stahl <don@calis.blacksun.org>
To: William Herrin <herrin-nanog@dirtside.com>
Cc: Seth Mattinen <sethm@rollernet.us>, NANOG list <nanog@nanog.org>
In-Reply-To: <3c3e3fca0801040809r5ad5adb5vcb6e1068d774cb2@mail.gmail.com>
Errors-To: owner-nanog@merit.edu
> RFC 1122 (Requirements for Internet Hosts - Communication Layers)
> section 1.2.2 (Robustness Principle):
>
> "Be liberal in what you accept, and
> conservative in what you send"
Which has done nothing but allow countless Exchange server to HELO
with exchange.local and other such idiocy, not to mention contribute to
the spam problem.
Every time you try to configure your server for strict parsing to help
block spam, you get an email from some admin who doesn't know the first
thing about SMTP but wants to know why you're blocking their email.
-Don
