[SAtalk] stopping headers where to: and from: are not part of my domain

[Ian Fraser]

I have been receiving lots of spam where to the 'to' header is does not contain my domain name. For example:   From: [EMAIL PROTECTED]   To: [EMAIL PROTECTED]   I realise that it is not an intelligent thing to block mail where the 'To' field doesn't mention my domain name (mailinglists etc). But is it possible to block when both the 'To' and the 'From' are domains that happily give away free email addreses?   TIA   Ian