Danie Roux <[EMAIL PROTECTED]> wrote:
>
> ~C (domain & !user@domain)
> 
> i.e. Match everyone from domain except a certain user.

You have to be careful about patterns like this.

What if the recipient is <otheruser@domain>?  Since that contains the
string "user@domain", it would be rejected by the pattern, even though
it's a different user.

What if the message has two recipients, one of which is in @doman, the
other is user@domain?  Do you want to reject the message because it
contains user@domain, or do you want to accept it because it ALSO
contains a user who is not user@domain, but still from @domain?

The inclusive behavior of ~C makes it hard to write patterns that get
exactly what you want.  :/

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