> soft_bounce = yes ^^ you have the soft_bounce safety net enabled. This changes all 5xx to 4xx replies, telling the sending server that it should try again later. See http://www.postfix.org/postconf.5.html#soft_bounce
Doh, thanks. I put that in years ago for some reason that's long since gone out of my mind. I have disabled this and am sure this will be the solution. Thanks. -- Sent from: http://postfix.1071664.n5.nabble.com/Postfix-Users-f2.html