James Brown, Tue, 13 Nov 2018 14:28:47 +1100: > I’ve used: > > Openssl gendh 2048 > > And put the output: [...] > > Into a file dh.pem and then added > > ssl_dh=/usr/local/etc/dovecot/dh.pem Try ssl_dh=</usr/local/etc/dovecot/dh.pem -- Regards mks