5 Apr
2019
5 Apr
'19
11:36 p.m.
I’m afraid there is a possibility that your setup only works by chance … I don’t think Dovecot LMTP is SMTPUTF8-capable according to RFC 6531. It needs to advertise the SMTPUTF8 extension but doesn’t.
# nc -U /var/spool/postfix/private/dovecot-lmtp 220 mail.my.org Dovecot ready. LHLO mail.my.org 250-mail.my.org 250-STARTTLS 250-8BITMIME 250-ENHANCEDSTATUSCODES 250 PIPELINING
-- David