On 4/20/2010 2:09 PM, Chaminda Indrajith wrote:
Dear all,
I have a postfix mail gateway which is used for all incoming and
outgoing mails of our backend mail server.
I have restricted the Gateway to accept mails only for my domain
(example.com) from outside.
My Question is that, can we set a similar restriction for the outgoing
mails from my domain (example.com). In other words, I need to set up my
gateway to deliver mails originating only from example.com domain to the
outside world.
I would appreciate your help in this regard.
Thanks
Chaminda Indrajith
Something like:
# main.cf
smtpd_sender_restrictions =
check_sender_access hash:/etc/postfix/sender_only
reject_unauth_destination
# sender_only
example.com OK
Warning: use this in smtpd_sender_restrictions as shown
above. DO NOT use this in smtpd_recipient_restrictions as it
would make you an open relay.
-- Noel Jones
