lmtp with non ASCII Parameters changed in dovecot 2.3

Matthias Lay matthias.lay at securepoint.de
Wed Jul 24 13:05:39 EEST 2019


I updated from 2.2 to 2.3 and noticed lmtp rejects parameters
containing non ASCII now. this worked with dovecot-2.2 lmtp.

the string is already denied after reading in

mail from:<bluö>
500 5.5.2 Invalid command syntax

is there a plan to change this behaviour, or to implement the SMTPUTF8
extension in lib-smtp?

I guess thie would fix Michals "Dovecot LMTP rejecting mail from address
with apostrophe" Problem too.

Greetz Matze

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