In this article I will show the steps to troubleshoot Synology Mailplus server
Access via SSH the NAS
turn on SSH at your own risk and login via the following instruction, click here.
Live view with aggr_maillog
see postfix/smtpd messages
cd /volume1/@MailPlus-Server/aggr_log
sudo tail -f aggr_maillog
Daily report
- warning: postfix-script
not owned by root: /var/spool/@MailPlus-Server/postfix/.
According to Synology Support those warnings can be safely ignored.
