when composing mail,adress book will not open.Why?
When composing or forwarding an email,I left click on the TO: in the address box and the address book does not open.'
Opaite Mbohovái (1)
Firefox doesn't do email, it's a web browser.
If you are using Firefox to access your mail, you are using "web-mail". You need to seek support from your service provider or a forum for that service.
If your problem is with Mozilla Thunderbird, see this forum for support.
http://www.mozillamessaging.com/en-US/support/
or this one
http://forums.mozillazine.org/viewforum.php?f=39