I have committed a fix which is essentially https://bugs.launchpad.net/mailman/+bug/1643210/+attachment/4782228/+files/CookHeaders.py.diff.txt with "dn = str(Header(uvia, lcs))" as suggested at https://bugs.launchpad.net/mailman/+bug/1643210/comments/12.
Thanks very much to Yasuhito FUTATSUKI for the report and all the helpful suggestions.
I have committed a fix which is essentially https:/ /bugs.launchpad .net/mailman/ +bug/1643210/ +attachment/ 4782228/ +files/ CookHeaders. py.diff. txt with "dn = str(Header(uvia, lcs))" as suggested at https:/ /bugs.launchpad .net/mailman/ +bug/1643210/ comments/ 12.
Thanks very much to Yasuhito FUTATSUKI for the report and all the helpful suggestions.