[Dovecot] FAQ: setting thunderbird to talk to dovecot

[Charles Marcus]

On 5/2/2008 Mauricio Tavares wrote:
> It does seem it is appending whatever string I type in the
> username box to the front of the name of the mail server.  So, if I
> have the username as boris at thespider.com, it will try to login as
> boris at thespider.com@mail.thespider.com

What are you using for auth? That is where you should be looking.