[123331] in North American Network Operators' Group
Re: Spamcop Blocks Facebook?
daemon@ATHENA.MIT.EDU (David E. Smith)
Fri Mar 5 10:10:41 2010
In-Reply-To: <1267777686.8163.8.camel@ernie.internal.graemef.net>
Date: Fri, 5 Mar 2010 09:08:49 -0600
From: "David E. Smith" <dave@mvn.net>
To: Graeme Fowler <graeme@graemef.net>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Fri, Mar 5, 2010 at 02:28, Graeme Fowler <graeme@graemef.net> wrote:
> Fresh operational content: one of the reasons services like Spamcop
> occasionally list services like Facebook is that they don't honour 5xx
> responses to RCPT TO:. I'd offer some statistics but I'm concerned that
> the legal brigade will jump down my throat, but I suggest that anyone
> running a system like an academic mail platform take a look at the
> number of invalid recipients services like Facebook try to deliver. If
> they stopped doing that they'd be a long way towards better behaviour,
> IMO.
>
>
As long as we're going off-topic, might as well go all the way :V
How long should a sender (say, Facebook) retain a database of 5xx SMTP
responses? Just because jimbob@school.edu doesn't exist today, doesn't mean
that James Robert Jones won't enroll in the fall and get jimbob@ as his
school-provided email address.
David Smith
MVN.net
