OK I patched your Debian package just with this patch and now it works :) So you find the problem thanks !!! > Le 4 déc. 2018 à 15:58, Aki Tuomi <aki.tuomi at open-xchange.com> a écrit : > Hi! > > We believe this is fixed with https://github.com/dovecot/core/commit/3c5101ffdd2a8115e03ed7180d53578765dea4c9.patch > > Aki