Wietse Venema:
> tswmmeejsdad .:
> > \\ snippet of postfix config
> >
> > mynetworks = 127.0.0.0/8, 10.x.x.0/19
> > smtpd_sender_restrictions = check_sender_access
> > hash:/etc/postfix/access-sender reject
> >
> > My questions is - Is there a way to get postfix to allow Outlook out of
> > office replies
>
> Whitelist the Exchange server.
>
> /etc/postfix/main.cf:
> smtpd_sender_restrictions =
> check_client_access hash:/etc/postfix/access-client
> check_sender_access hash:/etc/postfix/access-sender
> reject
>
> /etc/postfix/access-client:
> # The Exchange server name or IP address.
> 1.2.3.4 OK
>
> You may also need to do this in smtpd_recipient_restrictions
> (or smtpd_relay_restrictions, if applicable).
Do not forget to "postmap /etc/postfix/access-client".
Wietse