WHY OUTLOOK AUTOMATICALLY NOT RECEIVING MAIL.

To Solve the Problem Follow the steps  

Open Outlook and go to file and click on account settings

Now click on accounts

And check incoming and outgoing mail server ie Pop/imap and smtp and go for More settings

Go to advance and change imap server port to 993 and encryption type SSL and in SMTP  port no 465 and encryption type SSL and Click on OK then--> next -->close-->Finish-->close.

Problem Resolved