How to fix email subject encoding - ANSI_X3.4-1968

Hello,

XWiki version : 14.10.17

The subject email for Notification of event Évènements sur le wiki is:
Subject: =?ANSI_X3.4-1968?Q?15_=3Fv=3Fnement(s)_sur_le_wiki?=

Other problem, URL links inside are to localhost : http://localhost/bin/XWiki/Sujet

If we share a XWiki page by email, everything is correct.

You can assume that we using french language.

Thank,

Hello, you should upgrade to a supported version (maybe it’s been fixed).

See https://www.xwiki.org/xwiki/bin/view/Main/Support#HSupportedVersions

I would try with the LTS version : 16.10.4