Am 08.09.2011 15:16, schrieb Wietse Venema: > Reindl Harald: >>>> No. However, you can APPEND a local text to the reply if you >>>> upgrade to Postfix 2.8. >>> >>> Reindl Harald: >>>> this is a nice feature and active here since 2011-01 >>>> >>>> but be careful if you use postfix behind a barracuda-spamfirewall >>>> the firewall has to be exlcuded from "smtpd_reject_footer" because >>>> it will answer only the last line (reject footer) to a sending >>>> server if the rcpt does not exist and the sender does not get "User >>>> unknown" >>> >>> For automated processing, "550 5.1.1" at the beginning of the last >>> line should be sufficient to determine that the address is invalid. >>> For human processing, it matters little what the text says... >> >> not really because this string does never exist on the receiving server >> and there are way too much servers answering with 550 for other errors >> too :-( > > With Postfix, the last line of the custom reply starts with "550 > 5.1.1". Bounce parsers have enough information to decide that the > user does not exist, regardless of the text that follows. > > Your issues with your bounce parser due to custom replies from > non-Postfix MTAs are outside the scope of the Postfix mailing list
yes but that is why i see "User unknown" as a must to make all paresers happy as long we must live with other daemons than postfix and adjust our parsers to be happy with them :-)
signature.asc
Description: OpenPGP digital signature
