what to do about spam allegedly from me?

[Spicer, Kevin]

Matthew K Bowman wrote:
> Hmm,
> 
> What if a spam message is received by mailscanner, passed onto the
> clients server bounced back to mailscanner because it is a user
> known? Do you still whitelist via IP?

Bounces are not spam - Ideally they should not even contain the original message content (although plenty of MTAs do).  Bounces are a legitimate email transaction, plus bounces would normally come from postmaster at domain.com so would already have been whitelisted when whitelisting domain.com (by name) anyway.

Whitelisting by domain name is bad because so many spammers forge the senders address to match the recipient address, in order to get round filters.



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