If you don't use XAMPP, find php.ini file in your server directory. Remove ";" to enable PHP - IMAP
How to activate/install php - imap (XAMP)
Web applications osticket require IMAP - PHP on web server: "Inbound Email cannot function without the IMAP c-client libraries enabled/compiled".
All that I need to do is to open php.ini file and enable IMAP.
If you don't use XAMPP, find php.ini file in your server directory. Remove ";" to enable PHP - IMAP
If you don't use XAMPP, find php.ini file in your server directory. Remove ";" to enable PHP - IMAP