How to forcefully send mail from mailq in sendmail MTA

Sendmail is one of the open source MTA (Mail Transfer Agent) which is widely use in linux operating system.
Many times because of high load average of Mail Server and also due to high no. of deffered emails in mail queue, many emails are not able to deliver.

To send emails from SendMail Server forcefully, use the below given command.
Here, -v flag is for verbose

sendmail -q -v

For checking the mail queue use the given below command

mailq