HowTo fix EXIM error on cPanel server: defer (-53): retry time not reached for any host

If you find the following error in your EXIM logs, it means that your EXIM databases could be corrupted. defer (-53): retry time not reached for any host Solution was found at forums.cpanel.net. To rebuild exim databases you can run the following commands as root: /usr/sbin/exim_tidydb -t 1d /var/spool/exim retry > /dev/null /usr/sbin/exim_tidydb -t 1d