Am Samstag, den 27.12.2014, 08:23 -0500 schrieb Wietse Venema: > Erwin Authried: > > > Is this the reply to DATA or end-of-data? If it is DATA, then > > > address verification is possible but it requires source code > > > changes to Postfix: > > > > > > - After successful RCPT TO, do not assume that the recipient exists, > > > but send DATA and disconnect after the DATA response is received. > > > > > > This will cause extra noise in the logfile, therefore it should be > > > configurable: > > > > > > - Configure what sites reject recipients after DATA. The list of > > > such domains is limited, so this is not a big burden. > > > > > > > Shouldn't postfix reject a message in general if there is a 5xx response > > to the DATA command, instead of creating a bounce message? > > Postfix address verification (via SMTP) never sends DATA. It sends > RSET/QUIT instead. Thus, the question makes no sense. > > Wietse
I wasn't talking about address probing, but a normal SMTP transaction when postfix sends the DATA request and receives an error code from the remote server instead of 354. -Erwin -- Dipl.-Ing. Erwin Authried Softwareentwicklung und Systemdesign
