> -----Original Message----- > From: owner-postfix-us...@postfix.org > [mailto:owner-postfix-us...@postfix.org] On Behalf Of Wietse Venema > Sent: Tuesday, November 22, 2011 4:50 PM > To: Postfix users > Subject: Re: Postfix and MIMEdefang; per-recipient treatment of messages in a > milter environment > > > Or you return DSNs for the ones that fail after 250ing the incoming > > transaction. But that has its own issues, e.g., backscatter. > > Return a DSN for a tempfailed recipient?
Sure, doesn't postfix return a DSN after some period if delivery hasn't been successful?
