[nflug] Forged mail header bounces up exponentially

[Eric Benoit]

I'm having the same problem here.
I'm using sendmail, procmail, spamassassin lemme no about the procmail 
ninja ;)

Christopher Hawkins wrote:
> Me three. I use sendmail, though. I wonder if there isn't a way to use a
> procmail recipe to call a script that greps the maillog for a matching
> outbound email at some earlier point? And if it doesn't find a match, it
> knows it can throw away the bogus undeliverable receipt? I'm not a procmail
> ninja but if anyone else is, does this sound plausible? If no ninjas are
> among us I will take a peek and see if something could be cobbled together. 
>
> Chris
>
>   
>> -----Original Message-----
>> From: nflug-bounces at nflug.org 
>> [mailto:nflug-bounces at nflug.org] On Behalf Of Richard Hubbard
>> Sent: Monday, April 28, 2008 6:32 PM
>> To: nflug at nflug.org
>> Subject: Re: [nflug] Forged mail header bounces up exponentially
>>
>> I'll throw in a "me too" to this.  It's been rotating through 
>> the users in my network. We're using Lotus Domino with 
>> Symantec (yes, I know) Anti-Spam.  It seems that symantec 
>> hasn't figured out how to scan these things yet.
>>
>> Anyone know if spamasassin can stop these things?
>>
>> Cyber Source wrote:
>>     
>>> Hey Erek,
>>>  Glad to hear I'm not the only one seeing this. Started 
>>>       
>> seeing in like
>>     
>>> 2 weeks ago. I had one client get like 1000 emails in one day, all 
>>> bounces from email servers and the like. This is a very good reason 
>>> why email admins should NOT allow this behavior, as it's now being 
>>> used as a round about way to send spam. Fortunately this 
>>>       
>> stopped for 
>>     
>>> that client and I've seen it for some others, including my own.
>>> If anyone has a remedy, I'd love to hear it. Thanks, Peter
>>>       
>
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