Re: SA to deal with mail errors

[Justin Mason <jm...@jmason.org>]

Erik Dasque writes:
> Hi,
> 
> I've been using sa for a while and it's worked very well for me. In  
> the past 18 month or so, spammers have discovered my domain name and  
> are sending tons of email with frenchguys.com in the from  
> (weriu@frenchguys.com, lkjlkgj@frenchguys.com, and so forth). They're  
> not using my smtp server, just faking the from.
> 
> This results in hundreds of mail error emails a week as you can  
> imagine. Many of the email addresses the spammers use are invalid and  
> as a result i get tons of email sent to addresses such as  
> erituoiu@frenchguys.com. Now the problem is that I use a catchall  
> mechanism so that when I sign up for say, flickr, I signup as  
> flickr@frenchguys.com. With this mechanism, I can see quickly who's  
> selling my email address to who. And believe me, it happens often.
> 
> It's hard to make procmail rules that will identify correctly all  
> mail errors so I was thinking I might be able to use Spam Assassin's  
> bayesian filter to teach it what a mail delivery issue message looks  
> like and have it mark it in a certain way. I'd have to filter out  
> real mail delivery issues of course, those sent to very valid  
> addresses such as erik@frenchguys.com (I never send email as  
> flickr@frenchguys.com obviously).
> 
> Is this feasible ?

yep -- see http://wiki.apache.org/spamassassin/VBounceRuleset

--j.