[89905] in North American Network Operators' Group
Re: Open Letter to D-Link about their NTP vandalism
daemon@ATHENA.MIT.EDU (Joe Maimon)
Wed Apr 12 08:13:59 2006
Date: Wed, 12 Apr 2006 08:13:20 -0400
From: Joe Maimon <jmaimon@ttec.com>
To: Miquel van Smoorenburg <miquels@cistron.nl>
Cc: nanog@merit.edu
In-Reply-To: <e1imge$s4f$1@news.cistron.nl>
Errors-To: owner-nanog@merit.edu
Miquel van Smoorenburg wrote:
> In article <cistron.Pine.GSO.4.61.0604111656450.15259@pants.snark.net>,
> Matt Ghali <matt@snark.net> wrote:
>
>>>.or do you think that TCP/IP connection
>>>should be held open until the message can be scanned for spam and
>>>viruses just so we can give a 550 MESSAGE REJECTED error instead of
>>>silently dropping it?
>>
>>absolutely. is that actually a problem, today, in 2006?
>
>
> RCPT TO: <user1@domain>
> RCPT TO: <user2@domain>
> DATA
> .
>
> .. after content scanning, user1 wants the mail, user2 doesn't.
> Now what ?
>
> Mike.
>
>
Three choices
Screw user1
Screw user2
Screw sender by dropping user2 from recipient list
Its only on the third choice that you have to decide whether or not to
notify the sender with a bounce.
A patched sendmail can prevent a milter from performing a reject of an
email as requested by a milter, if some of the recipients do not want
the protection offered.
