digital ocean – Postfix receives but don’t send emails on DigitalOcean droplet

As I was following the tutorial ( I established postfix mail server. By the way unfortunately a can’t send e-mails anywhere outside my droplet. According to logs I receive status: status=bounced (host[] said: 554 Here is the last log data: sudo tail -f /var/log/mail.log Apr 25 11:15:26 healthqode postfix/submission/smtpd[26048]: connect from localhost.localdomain[] Apr 25 … Read more