[Mailman-Users] big lists, big messages

[J C Lawrence]

On Sun, 13 May 2001 16:16:44 -0700 (PDT) 
alex wetmore <alex at phred.org> wrote:

> On Sun, 13 May 2001, J C Lawrence wrote:
>> There's reason to keep the RCPT TO envelope reasonably small to
>> prevent triggering some ISP's SPAM traps.  Specifically, this
>> appears to be one of the filter points that AOL uses (and of
>> course it then drops the caught mail silently without a bounce of
>> warning).

> Do you have any details on AOL's spam filters?  None of my AOL
> readers have complained about missing email.  It looks like my
> largest list has 60 digested and 55 regular AOL members, so I'm
> guessing that their spam filter is set to a higher threshold than
> that.

They appear to be using a multi-valued metric for their spam
detection -- and to change their metrics regularly.  See:

  http://members.aol.com/adamkb/aol/mailfaq/dropped-mail.html#lists

-- 
J C Lawrence                                       claw at kanga.nu
---------(*)                          http://www.kanga.nu/~claw/
The pressure to survive and rhetoric may make strange bedfellows