How to Ignore LFD Email Alert for Specific User in Linux
You don't desire to send email alert for specific user from the server, we can ignore that alert by adding a user id in csf.uidignore file.
Do get the UID (user id) from two ways,
Another way to get a UID
id -u username
open the uidignore configure file and put the UID (user id),
Finally, Restart csf and lfd.