blocking an email based on it's IP

[Spicer, Kevin]

Antony Stone wrote:
> Genuine emails from that client should go via the client's local (or
> ISP) mail server first, so you won't end up blocking them.
> 
Very true, (unless its an Exchange server thats infected of course!).  Although I'd still advise the subject based blocking, so you block all sobig, not just the current sender.  Also worth noting that many infected machines are on services where they get a dynamic IP.




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