from field encoding

Jan Jurko
Tue, 23 Jun 2020 08:31:47 -0000

Good day.
I have a dovecot 2.3.4.1 on debian 10 as an imap server. I found there are
emails where the header field From has no encoding even if there is a name with
special characters like ?lut? K??. The header looks like:

From: "?lut? K??" <zluty.kun at domain.tld>

In this case the email client - roundcube, outlook etc. will show the From with
wrong characters. This behaviour is typical only for dovecot, not for
courier-imap - it was installed before dovecot with no problems.

If there is corretly encoded From filed, the client shows the From correctly.

Is there a way to set up the dovecot to show the field correctly even without
encoding stuff? Some default/fallback settings?

Thank you very much for your help

Jan Jurko
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