11,000? That seems to indicate that you are a spammer … and can only be taken that way unless you make a statement to the effect that it’s to a (double) opt-in mailing list with a way to unsubscribe.
no, its announcement email from me, before rebooted there is about 11,000 Outgoing Emails that still in queue in WHM > ConfigServer Mail Queues > Delivery Queue
after server rebooted, there is no one Outgoing Emails left, in WHM > ConfigServer Mail Queues > Delivery Queue
ok i already tried running this command, to search one of email address email@domain.com or another email address, already sended or not, also trying to search the message subject