Mail delivery failed: returning message !!!

Hi

Every day I'm receiving more then 10000 emails from nobody from my server

Subject: Mail delivery failed: returning message to sender

the server sending and receiving emails with no problems

I don't know the propose of 10000 emails

any ideas ?

The Exim works fine I even installed new one
/scripts/newexim

but same problem

also in WHM by clicking Mail Queue
it shows something like There are currently 7 messages in the mail queue

I hop this thread will solve the problem because I can not delete 10000 massages every day.

 

 

 

 

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