I am not able to configure Thunderbird...

i have user rights ... i treid even thru admin rights ....

i m confuring thunderbird settings correctly ...

i tried the same settings in another place ..and thta worked i wwas able to access my account....

but on my wrok station i m not able to access my email account .....

i m using IMAP server ...my SMTP server is also correct when i m configuring my account in thunderbird ...

plzzz help me i m new to this mail service ..