> Le 11 mars 2020 à 19:32, Juri Haberland <j...@koschikode.com> a écrit : > > Hi list, > > I have a small problem with recipient_delimiters contained in usernames. > Recently I have extended recipient_delimiter from "+" to "+-" in both > Postfix and Dovecot (using lmtp) and now any user that have a '-' in it's > username can't receive mail anymore, because lmtp truncates the localpart > after the '-' and of course can't find the first half in the user database. > > To illustrate: given an account "foo-...@example.com", I get the following > log entry from postfix: > Mar 9 09:31:43 batleth postfix/lmtp[6196]: 9A7BA33E005B: > to=<foo-...@example.com>, > relay=batleth.sapienti-sat.org[private/dovecot-lmtp], delay=20, > delays=20/0.01/0.01/0.08, dsn=5.1.1, status=bounced (host > batleth.sapienti-sat.org[private/dovecot-lmtp] said: 550 5.1.1 > <foo-...@example.com> User doesn't exist: f...@example.com (in reply to RCPT > TO command)) > Is there any way to tell lmtp to first look for > <user><delimiter><extension> and if that fails look for <user> only (the > reverse order would be ok, too)? >
This is already what they do AFAIK. I’m using ‘-‘ as delimiter for a long time and didn’t have any issue with my mails. I think this postfix error only reflects the last attempt, and not all the resolution attempts. Try increasing the log (either in postfix or LMTP) to see what append exactly.
