Am 02.03.2013 13:01, schrieb Dennis Putnam: > I am running some mailman mailing lists and due to issues with my ISP's > SMTP server I need to use alternate mail relays. I need to configure > postfix to use a relay, with authentication, based on the local > originating address rather than the destination. Is this possible and > can someone point me in the right direction? Thanks.
the "From"-header is not relevant for SMTP becasue headers have nothing to do with the SMTP "MAIL FROM" command http://en.wikipedia.org/wiki/Bounce_address ___________________________ however, besides these basics a mailadmin should know http://www.postfix.org/postconf.5.html#sender_dependent_relayhost_maps see example below please totice that i use here the submission port 587 because if we speak about authentication we are acting more than a MUA and submission a) requires auth and b) has usually different restrictions because auth is given notice also that how you write realyhost/port has to be 100% identical in "sasl_passwd" and "relayhost_maps" and you can list as much user/password/host-combinations as needed ___________________________ /etc/postfix/main,cf: smtp_sasl_auth_enable = yes smtp_sender_dependent_authentication = yes smtp_sasl_security_options = noanonymous smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd sender_dependent_relayhost_maps = hash:/etc/postfix/relayhost_maps /etc/postfix/sasl_passwd: # AFTER CHANGES: postmap /etc/postfix/sasl_passwd [relayhost]:587 username:password /etc/postfix/relayhost_maps: # AFTER CHANGES: postmap /etc/postfix/relayhost_maps sen...@domain.tld [relayhost]:587
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