On Wed, Apr 25, 2007 at 09:08:48PM +0200, Felix M. Palmen wrote: > * USM Bish <[EMAIL PROTECTED]> [20070425 20:43]: > > > > OTOH, Err Code 450 is "Request mail action not taken: > > mailbox unavailable" (which is perhaps what you mean by > > saying "user not active now"). This is a serious error, > > and indicates ATRN request has been *refused*. MTAs > > compliant with RFC 822, should not respond this. > > That's wrong. Every 4xx code is considered a temporary > error, and sending MTAs /should/ retry, but they are not > required to do so. > > Only the 5xx codes are used for permanent errors and > indicate that the sender must not retry the same > transaction. > ---end quoted text---
Thanks Felix for pointing this out. Somehow, I had the impression that 450 had the same implications of 550 !!! Its never late to learn ;-) Bish -- http://linuxfromscratch.org/mailman/listinfo/lfs-dev FAQ: http://www.linuxfromscratch.org/faq/ Unsubscribe: See the above information page
