Cpanel Server Block Incoming SPF Failed Mails

One of the customer email account as getting too much incoming emails from [email protected]

First i tried to block the sender IP, but they are using too many IP.

To stop this incoming email, i edited

Find

Add below

Restart exim

Now watch the mail log with

exiqgrep

exiqgrep allows you to search exim mail queue.

To search for a particular recipients, run

To search for all emails from a particular email account, use

You can use -i option to list only message id. This is useful when you need to delete mails from a particular account.

To delete all email sent from a particular email account, run

exim