Bulk / Mass delete mails from exim mail queue

Sometimes a user or a domain might be hijacked. Most common use of hijacked accounts is to send spam. After dealing with the account itself, you may find that there is a queue of hundeds or maybe thousands (in my case I got a record of 108K mails in queue) of mails waiting to be sent. How do you remove them without deleting legit mails from the queue ? Simple.

First we get a list of the mails in queue:

You will get an output like:

So we need to grep the evil mails

Now you got a list of all mail IDs that needs to be deleted. Just delete them using the same command plus:

That’s it.