Recently I’d setup a bulk email server using Postfix MTA and optimize the postfix variables for huge email delivery. I uses sql based database for storing smtp logins. So that we can use this server to send bulk email from anywhere like smtp.com does. My Major setup including the following area,
1. SQL based [...]
You will see this error once after you configured sql based mail server based on my documentation and configure it’s account on any of MUA like Outlook or Thuderbird etc.
Open Dovecot op3/IMAP config file and change the line to “disable_plaintext_auth = no”.
[root@mail ~]# vi /etc/dovecot/dovecot.conf [root@mail ~]# vi /etc/dovecot/conf.d/10-auth.conf [root@mail ~]# service [...]