[Mailman-Users] Too many Bounce action notifications

Vikram Goyal tech at craftbits.com
Thu Dec 6 00:01:27 CET 2007

Funnily enough, the messages stopped the moment I sent the 
previous reply. As Mark suggested earlier, it could be because 
"all" the bounces happened at once because of the threshold 
coming at once.

Thanks everyone for their comments and suggestions.

tech at craftbits.com

----- Original Message ----- 
From: "Brad Knowles" <brad at shub-internet.org>
To: <cyndi at tikvah.com>; <tech at craftbits.com>
Cc: <cyndi at tikvah.com>; <mailman-users at python.org>
Sent: Wednesday, December 05, 2007 7:01 PM
Subject: Re: [Mailman-Users] Too many Bounce action notifications

> On 12/4/07, Cyndi Norwitz wrote:
>>  There is a new style of spam (well, not that new) that spoofs 
>> your return
>>  address and sends out massive amounts of messages to random 
>> people (it has
>>  a specific name I can't recall).  Then you get all the 
>> bounces (because a
>>  percentage of people will always bounce).
> That would be called a "Joe Job", see 
> <http://en.wikipedia.org/wiki/Joe_job>.
>>  What you're describing sounds an awful lot like this. 
>> Especially since you
>>  have set up bounces for your list not to come to you.  It 
>> sounds like the
>>  address that was spoofed was one used by MM, which would slow 
>> down the
>>  system for sure.
> If they were originally sent out with the appropriate 
> listname-bounces address, and the joe-job bounces were coming 
> back to the list and it was trying to process them, then yes --  
> this would certainly explain a very heavy load on the system.
> Otherwise, I'm not sure I have enough information to be able to 
> make any more comments on this particular problem.
> -- 
> Brad Knowles <brad at shub-internet.org>
> LinkedIn Profile: <http://tinyurl.com/y8kpxu>

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