From: Brad C (no email)
Date: Fri Jun 01 2007 - 05:41:37 EDT
Hey There,
Im not sure if im on the right track, with sender verification in my mind it
would be logical to do a MX lookup of the domain in the " mail from: "
field, connect to that server and do a check that way too see if the user
exists, but I think postfix is in my instance is connecting the the exact
same server that is connecting to it, this is great 80% of the time as most
people relay mail out the same server they receive on, but the other 20%
relay out other mail server, which dont have their accounts located on
them... is there something im missing.. (brain) :)
Here is my config ( currently hashed out )
# Sender Verification - Brad 29/05/2007
smtpd_sender_restrictions = reject_unknown_sender_domain,
hash:/etc/postfix/access,
permit_mynetworks,
check_sender_access hash:/etc/postfix/domain.whitelist,
# warn_if_reject reject_unverified_sender,
reject_unverified_sender,
# address_verify_map = btree:/var/spool/postfix/verify
Pointers would be most welcome,
BraD
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