Help with spammers

Julian Field mailscanner at
Wed Apr 30 19:47:41 IST 2003

At 18:50 30/04/2003, you wrote:
>Hi all,
>I have been using MailScanner (without SpamAssassin) for quite a while
>and I have a question for you guys.
>What is the best way to block e-mails when they are in the form of
>I want to block any e-mail that arrive for invalid users on this
>particular domain where user name consists of just plain numbers like:
>9827492364236438623896 at
>Is this a job for MailScanner or for SpamAssassin ?

Completely blocking mail is a job for your MTA, not MS or SA.
You can automatically mark it as spam with a simple ruleset, but it won't
block it completely. Just about any MTA can support rejection based on
address with a regular expression. In that case, you want to block
         [0-9]+ at
Julian Field
Professional Support Services at
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