On 14 Jul 2019, at 03:35, John via dovecot <dovecot@dovecot.org> wrote: > I'm running an email server (Postfix, Dovecot, MySQL) on an RPi. I set it up > using this 'howto' https://pestmeester.nl/index.html#11.0. It seemed to work > but now sent emails just disappear and are not received. Inward emails are > ok.
You will need to look in your postfix logs to see what is happening to outbound mails. If you are on a home connection, most ISPs do not allow mail servers. -- Science is the foot that kicks magic square in the nuts.
