my sendmail being attacked?

[m.w.chang]

but I don't understand how it get to my smtp. I fetchmail messages from 
that cityu pop, which would be procmail into my mbox. It seems that the 
attempt to relay the message happened during the procmail stage...

yes, I followed advices to allow only localhost and my own subnet in 
/etc/mail/access.

Matthew Carpenter wrote:
> Someone was trying out your MTA as an open relay, and sendmail blocked
> it correctly  :)
> 
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