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 until now i had 554 in my bounce-management to implicit unsubscribe from newsletters, removed it after the initial post and not sure what is the best thing to do
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