I'm using letsencrypt certificates with roundcube and I'm not having any issues.
On 03/01/2018 07:49 PM, ɹןʇnqן wrote: > On Mar 1, 2018, at 09:21, NederHost/Sebastiaan Hoogeveen > <s.hoogev...@nederhost.nl> wrote: >> The 'SSL alert number 48' indicates that the server certificate cannot be >> verified due to being issued by an unknown CA. This is probably caused by a >> missing, outdated or improperly configured CA bundle on the machine running >> Roundcube. You should be able to reproduce the problem with openssl s_client >> from that machine. > It appears that roundcube doesn't like Let's Encrypt in a way that neither > dovecot nor postfix (nor any of several MUAs) have an issue with > _______________________________________________ Roundcube Users mailing list users@lists.roundcube.net http://lists.roundcube.net/mailman/listinfo/users