postfix security configuration
hi,
my config:
debian stable 3.0r1
postfix
qpopper
I have a small problem:
my smtp after pop3 configuration works fine, no open relay possible, but
the authentificated users can fake their own e-mail address.
How can I stop it, so they can only use the adress which were set up for
them.
thx for help
Konstantin
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