each day i have more than 2000 Email system Frozen, i must remove them manualy, otherwise i see them in "Queu manager with frozen status , Please see once below picture:
i have 2000 each day like above picture.
From the image you supplied, the recepient is root@ xxxxx. (you)
Deleting them is not the way to go, you need to find out what these messages are and why your getting so many.
What do the emails say?
why aren't they being delivered?