On Thu, Feb 10 2011, Richard Riley wrote:

> Does someone have a way of extracting/setting the correct credentials
> for smtp posting based on the contents of .authinfo.gpg when using
> gnus-posting-styles?

You should not need that. smtp should use credentials based on
.authinfo.gpg using auth-source. Otherwise it's almost a bug. :)

-- 
Julien Danjou
❱ http://julien.danjou.info