Linux : Issue with mail aliases “database /etc/aliases.db is older than source file /etc/aliases”

By | August 22, 2020

If you are experiencing issues with your local mail aliases, make sure there is no syntax error in /etc/aliases file and have a look at the mail log file :

You most likely will encounter a message like this one :

In that case, simply run the command to rebuild the aliases database (as root or using sudo) :