I've started getting spam in the form:
From: Bill(_at_)syth(_dot_)serveftp(_dot_)net
Now, syth.serveftp.net is one of my dyndns domains and I know that
there is no valid user on my machine named "Bill." there are only
about 20 user accounts on this machine. I could, I suppose do a ls
/Users > local.usernames and then check on that file, but this would
mean manually updating the local.usernames file.
So, how can I get procmail to check tif the claimed from is valid?
Does it matter if I'm checking only LOCAL users or could i also check
my actual remote mailserver?
--
How you have felt, o men of Athens, at hearing the speeches of my
accusers, I cannot tell; but I know that their persuasive words almost
made me forget who I was, such was the effect of the,; and yet they
have hardly spoken a word of truth.
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