i am having a problem. i have setup postfix, and it is delivering mail
quite well. some users access their mail through a web interface, and
others using a outlook (or such). for those users using outlook, they
cannot send mail because they are not in the domains i have configured
postfix to relay for. i cannot possibly know every domain of every user,
and even that is not permanent, so how do i configure postfix so i can
relay for legitmate people, and still block relaying by spammers.

thanks,
shon

oh yeah, i know i could use pop-before-smtp, but i have another setup
where i use sendmail in lieu of postfix, and i just use a deny list, and
relay for everyone else. how might i do that in postfix?

-- 
"power off einstein" - moe syzlak

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