Palm T5 - Manual (Page 398)

Tungsten™ T5 Handheld 376
CHAPTER 15 Sending and Receiving Email Messages
Cont’d.
My server requires authentication (ESMTP) Check this box if the outgoing
server (SMTP) requires ESMTP authentication. Check with your system
administrator before selecting this option. If you select this option, username
and password fields appear. These fields are already filled in based on the
account information you entered previously. In most cases, the information
displayed is correct; however, occasionally your authentication username
and/or password is different from your account username or password.
d. Select OK twice.
Done