On 21 Aug 2019, at 07:12, Kristijan Savic - ratiokontakt GmbH <ks at ratiokontakt.de> wrote: > ssl3 > Any ide what could be causing it? Old MUAs or bad settings on the MUA. SSLv3 should not be used. You should NOT try to add support for SSLv3. -- "Alas, earwax.”