Ubuntu Postfix STARTTLS settings

Job ID: 30857960

Budget: €6 – €12 EUR

Our mail server is not working any more. Short: we messed it up.
Your duty will be make all components working together like charme.

postfix 3.3.0
dovecot 2.2.33.2
procmail //Your system mailbox: /var/mail/root ??
sasl
spamassign 3.4.2
clamAV 0.100.2

We run small digital ocean droplet with several domains.
The issue arises after we renewed certs from let's encrypt trough webmin. STARTTLS is not responding.



Please note we cannot provide shell access to server.
Related categories: Ubuntu Email Handling OpenSSL Dovecot Postfix