SSL сертификат для Dovecot Let’s Encrypt

Правим:

ee /etc/dovecot/conf.d/10-ssl.conf

ssl_cert = </usr/local/etc/letsencrypt/live/tst-amo.net.ua/fullchain.pem
ssl_key = </usr/local/etc/letsencrypt/live/tst-amo.net.ua/privkey.pem

service dovecot restart