[Mailman-Users] Recent AOL thread

[Chuq Von Rospach]

On Oct 21, 2004, at 6:06 PM, Mark Sapiro wrote:
>>>> blacklist.  Even though the list mail is finally coming from my 
>>>> server,
>>>> couldn't the presence of his IP or ISP in the message headers be 
>>>> enough
>> to
>>>> trigger the blacklist?  - john
>>>
>>> No.

Yes, actually.

>> That's not quite right, I don't think, because if the sender uses
>> Squirrelmail on my server,

actually, if the received lines have a blacklisted IP in it anywhere in 
the chain, there's a good chance sites will block it. And yes, many of 
them will report back YOUR IP address (as the one doing delivery) as 
being blocked, even though they're blocking soemthing two or three hops 
prior.

I've seen some amazingly badly written and stupid spam blocking stuff 
out there. Much of which I write off as "hey, if your users are stupid 
enough to let you get away with throwing that stuff at their email, 
we'll, that's their problem". AOL is not immune to that kind of "your 
admins are on drugs, or need them" feeling.