Blackberry 10 IMAP Configuration - Exchange 2013
From the home screen, swipe down from the top of your screen and select 'Settings'.
Select 'Accounts' followed by 'Email, Calendar and Contacts'.
From the bottom of the screen, select 'Advanced' then 'IMAP'.
Enter your username (This is normally your email address), your password and server address, port and encryption type (Server information is found at the bottom of this document).
Enter your username (normally your email address), password and SMTP Server address and port (Server information is found at the bottom of this document).
The setup of the mailbox on your device is now complete.
IMAP Server: imap.hs20.net
SMTP Server: smtp.hs20.net
Ports: IMAP- 993, SMTP- 587