Sending mail/news through gmail (again)

[Mr. Big]

Hi,
I am using emacs 22.0.50.1 and gnus v5.11 and want to use gnus to send
mail and news. I have added the following to .gnus.el

;; Sending mail
(setq message-send-mail-function 'smtpmail-send-it)
(setq smtpmail-starttls-credentials '(("smtp.gmail.com" 587 nil nil)))
(setq smtpmail-auth-credentials '(("smtp.gmail.com" 587 "mail name"
nil)))
(setq smtpmail-default-smtp-server "smtp.gmail.com")
(setq smtpmail-smtp-server "smtp.gmail.com")
(setq smtpmail-smtp-service 587)

It gets as far as asking me for SMTP password but then gives me an
error:

Loading gnus-topic...done
Sending...
Sending via mail...
Loading smtpmail...done
Loading mailalias...done
SMTP password for smtp.gmail.com:587:
SMTP password for smtp.gmail.com:587: .
SMTP password for smtp.gmail.com:587: ..
SMTP password for smtp.gmail.com:587: ........
smtpmail-send-it: Sending failed; SMTP protocol error

Perhaps it just doesnt work with gmail?

sincerely