Linux Mastering Development

Unable to send mail to a domain outside my own domain

Everything was running smoothly until the Dovecot version got updated to 2.3.8 on my CentOS 8 server or at least that’s when I start noticing it. Inbound mails are fine and transactional mails from my WordPress site are also sending. I am using Postfix, Dovecot and virtual mailboxes via PostfixAdmin. These are the content of […]