Thunderbird - add mailbox

• Menu Bar: Edit/Settings or left mouse menu on current mailbox Settings
• Account Actions (left bottom) Add Mail Account

Your name: Full Name
Email address: name.surname@cerge-ei.cz
user name: username given to you by admin (max. 8 characters long), not the email address !!!
password: valid password

• Continue; wait for autodetection(not passed - ignore); Manual config; Re-test;Done See also this or this

Parameters:

Your name: Full Name
Email address: username@mailarch.cerge-ei.cz
user name: username given to you by admin (max. 8 characters long), not the email address !!!
password: valid password for mailarch