If you use a old server without TLS 1.2 enable, you get:
"Error performing TLS handshake: A packet with illegal or unsupported version was received."
There is a work around:
$ G_TLS_GNUTLS_PRIORITY="NORMAL:%COMPAT:+VERS-TLS1.0" evolution
but .... It's bette advise all.
Thanks
--
Dario Lesca
(inviato dal mio Linux Fedora 31 Workstation)