*Mutters* I've been over it a few times, and can't seem to figure out why it doesn't work....
Originally Posted by phoenix
Mail server is dartagnan.secretcorp.com.
The test account is firstname.lastname@example.org (the "real" account is noreply@).
permitted_senders_list = check_sender_access hash:/opt/zimbra/postfix/conf/permitted_senders, reject
smtpd_restriction_classes = permitted_senders_list