Reindl Harald: Checking application/pgp-signature: FAILURE -- Start of PGP signed section. [ Charset ISO-8859-1 unsupported, converting... ] > > > Am 20.03.2013 00:26, schrieb Wietse Venema: > > John Levine: > >> RFC 5321 says that if a mail server gives an initial banner with a 554 > >> status code, that means "no mail server here", so the client should do > >> whatever it normally does on a connection failure, looking for another > >> MX at equal or lower priority. > > > > I don't think that Postfix has ever distinguished between 5xx codes > > at this protocol stage. The documentation says: > > > > smtp_skip_5xx_greeting (default: yes) > > > > Skip remote SMTP servers that greet with a 5XX status code > > (go away, do not try again later). > > > > By default, the Postfix SMTP client moves on the next mail > > exchanger. Specify "smtp_skip_5xx_greeting = no" if Postfix > > should bounce the mail immediately. The default setting is > > incorrect, but it is what a lot of people expect to happen > > now i am more confused as before > > what the documentation above and the description says is not to > bounce it, the RFC seems to indicate this too, so i do not get > "The default setting is incorrect" in my picture
As I wrote, I will update the documentation which predates the time that 554 was a defined greeting code. Wietse