OT: Question

Rick Cooper rcooper at dwford.com
Thu Apr 2 23:37:38 IST 2009


> -----Original Message-----
> From: mailscanner-bounces at lists.mailscanner.info 
> [mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Ken A
> Sent: Thursday, April 02, 2009 4:42 PM
> To: MailScanner discussion
> Subject: Re: OT: Question
> Rick Cooper wrote:
> > Just a query regarding bounces: How many of you actually bounce mail
> > anymore? I ask this question because I noted a huge number 
> of rejects on one
> > of my servers that appear to be valid bounce attempts to an 
> address of
> > info at mydomain.com for the last week or so. I have an ACL 
> that looks at the
> > local part of recipients and if that local part is being 
> used it denies the
> > message (even null sender) with a message stating there is 
> no such user and
> > it's an address currently being joe-jobbed. I see the same 
> ips repeatedly
> > attempting a bounce for days.
> I've got one: eqnjahdhx at domain.tld. We host the domain, but of course
> they don't send the spam. They aren't even aware of it. We are the 
> joe-jobbed victim. We don't accept the bounces, but they are
> annoying, and it's been going on for well over a year. I tightened up 
> the SPF record, but I don't think that helped much. People 
> who accept, 
> then bounce mail will eventually learn, or be buried, I 
> think. The 550 
> error on this one now says "Please dont bounce forged spam". 
> That hasn't 
> helped either. It just takes time.
> Ken


That is the frustration that I feel. Pick a list having something to do with
mail, SA, Exim, pretty much any and you will hear people stating what a
waste of time SPF is but when it comes to something like this I would much
prefer a DNS txt check over repeatedly trying to send a bounce. And they
would be miles ahead because they would have never wasted time taking the

I guess nothing works if you don't use it.


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