[tsac]

try this and if it does not work check carrier settings.


Add an IMAP or POP email account
Make sure you know the following information from your administrator or email service provider:;
Messaging server type (POP or IMAP);
Incoming and outgoing messaging server address;
Incoming and outgoing messaging server port numbers;
Incoming and outgoing messaging server SSL settings Note: To increase the activation speed of IMAP email accounts, it is recommended that you enter the IMAP Path Prefix. For more information, contact your administrator.
1.On the Add Account screen, tap > IMAP or POP.2.
Enter the account information.;
To set how frequently your BlackBerry device checks for new messages (if push email isn't supported), in the Sync Interval drop-down list, tap an option.;
To change the amount of time that messages can be retrieved on your device, in the Sync Timeframe drop-down list, tap an option.3.
Tap Done.