Where are the Exim logs? Aaron Horsley November 16, 2020 14:55 Updated Follow Question Where can I find my Exim email logs? Answer These are located in /var/logs and are named: exim_mainlog exim_rejectlog exim_panilog Related articles Reading and understanding the exim_mainlog What is The Difference Between Remote Vs. Local Mail Exchange Within "Email Routing"? How to find the source of spam emails New or transferred account unable to receive mail: Rejected relay attempt | 550 Please turn on SMTP Authentication | $HOST is not permitted to relay through this server without authentication Available disk space is too low. Backups will not run. Comments 0 comments Article is closed for comments.