weird spam mails

It's called a dictionary attack. If you have Exchange in a network enviroment you can setup filters to block any mails that is not intended for your domain. I'm sure you get the same on spamassasin, just need to check out the config.
 
Unless you are forwarding from one host to another - why would you want your mail server to accept mail for *@domain ???

And even if you do, just make a alias list or something, it's not that hard to mantain a list if the admins are up-to-scratch...

hennievr said:
It's called a dictionary attack. If you have Exchange in a network enviroment you can setup filters to block any mails that is not intended for your domain. I'm sure you get the same on spamassasin, just need to check out the config.
 
Mailwasher Pro does quite the job of checking mail headers on the server before downloading. The bouncing option is also very handy in getting back at people sending large bitmaps... chows their own bandwidth!
:D Sweet Revenge:D to my sister-in-law and others that don't know how to compress BMP's to JPG... lmfao
Concerning distionary attacks, Mailwasher also bounces to those addy's with a message that the e-mail address doesn't exist. To the sender/spammer it looks like the bounced message originated from the server.
As a measure I've also blacklisted all Yahoo and Hotmail domains on Mailwasher - auto bounces and I don't even see the message anymore.
 
NoRulez said:
Concerning distionary attacks, Mailwasher also bounces to those addy's with a message that the e-mail address doesn't exist. To the sender/spammer it looks like the bounced message originated from the server.
As a measure I've also blacklisted all Yahoo and Hotmail domains on Mailwasher - auto bounces and I don't even see the message anymore.

Unforunately 99% of all spam have spoofed email addresses so you bounce back to someone who never had anything to do with the mail or to that isp, so you cause more noise on the internet. As you have mailwasher then register with spamcop and send your emails there and you will see the origin of the email is not from the domain it is apparently sent from.
 
Spammers regularly spoof email adresses, so it's no good saying that some bugger at yahoo.com is spamming you, he/she/it might be spamming from another domain.

*sigh*

...and so the war continues...
 
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