On 31 Oct 2019, at 10:11, Marchello roundcubeforum.net@spamstop.tk wrote:
Roundcube Webmail 1.1.4
That is several years out of date.
$ php -v PHP 5.5.9-1ubuntu4.29 (cli) (built: Apr 22 2019 18:33:52)
You should have gotten lots of warnings (in fact, it should have failed) when you built php5 in April, months after php5 had been marked End Of Life
No one should be running php5 on a machine accessible outside a LAN, and probably not on one inside a LAN either without very specific reasons.
Update to PHP72 and Roundcube 1.3.