lmtp with non ASCII Parameters changed in dovecot 2.3

Matthias Lay matthias.lay at securepoint.de
Thu Jul 25 14:30:35 EEST 2019

> mail from:<bluö>
> 500 5.5.2 Invalid command syntax

this was a bad example. the problem is more common on rcpt to: if you
deliver to usernames or special folders

rcpt to:<üser>
rcpt to:<user+späm at domain.org>

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