[Mailman-Users] AOL now bouncing ALL email from ALL mailman systems

Ed ed at easent.net
Fri Oct 24 16:24:32 CEST 2003

Well actually this is part of their new MIME filtering.  We have a web log 
reporting engine that makes some positively huge email's with MIME encoded 
charts and other images.  AOL barf's continually on these while it lets 
other MIME encoded traffic from us to the same person(s) go right on through.

Just another case of the total ineptitude present at AOL.


At 10:11 AM 10/24/2003 -0400, you wrote:
> >>>>> "LaMc" == Links at Momsview com <Links> writes:
>LaMc> Oct 23 09:39:34 myserver postfix/smtp[5615]: 974515884F8: 
>to=<user2 at aol.com>, relay=mailin-04.mx.aol.com[], delay=1, 
>status=bounced (host mailin-04.mx.aol.com[] said: 500 SYNTAX 
>I've heard that this particular message is an obscured content-based
>rejection message.  Perhaps your message was discussing something they
>didn't like, or perhaps they've banned mail referencing some
>particular domain.
>did that message include reference to a web site via IP address
>instead of name?  they'll block those, too.
>My logs show message flowing just fine from Mailman to AOL at 9:24 am
>US Eastern Time, with the VERP'd return addresses.
>Vivek Khera, Ph.D.                Khera Communications, Inc.
>Internet: khera at kciLink.com       Rockville, MD       +1-240-453-8497
>AIM: vivekkhera Y!: vivek_khera   http://www.khera.org/~vivek/
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