Hello,

        I am running a local relay for ppl in my network. I have a doubt. If I
want to put up a restriction such that "only" ppl with a From: of
xyz.com can relay mail and all other addresses should be rejected, what
should i do ?. I tried playing around with entries in
/etc/postfix/access and was successfully able to block mail from a
certain domain. What i'm looking at is some kind of regex (regexp in
postfix) which will allow all mails with a From: of *@xyz.com and reject
all other mails. How do i do this ? I googled around a bit, but couldn't
get proper docs to do this. Anybody has done this before ?. Can i
implement something with check_headers or something with a
regexp:/etc/postfix/access ?

-- 
Praveen Kannan
Opaque Networks
e-mail : [EMAIL PROTECTED]



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