Feature Request -Customizable FQDN

[Cheng Gao <chenggao@gmail.com>]

(Yesterday I tried to post this message to ding via news.gnus.org, but
seems it's not posted. So I resend it via gmane.)

Just found an annoying thing in Gnus.

I use Gnus to manage my work and personal emails together, and read NGs.
And for convenience I setup user-mail-address to my personal email as
shown in this post.
I setup all my work emails in groups as 'nnml+label:biz\..*', and I use
posting styles to setup work email and organizaiton etc. Everything is
OK.

And the problem is with Message-ID.

Function  message-make-fqdn always uses global `user-mail-address to
generate Message-ID (I set message-user-fqdn to nil).

I know there is way to generate message id for news and mail messages
differently. But this wont solve my problem. Coz for mail messages, I
need FQDN for work and personal use seperately.

And I think it's very reasonable to add message-user-fqdn into
customizable list of Posting Style or Group Parameter.

Just like:

(setq gnus-posting-styles '(("nntp.*" (fqdn "fornews.fqdn"))
                            ("nnml.*" (fqdn "formail.fqdn"))
))

Or I think most reasonable:

(setq gnus-parameters '(("nntp.*" (fqdn . "fornews.fqdn"))
                        ("nnml.*" (fqdn . "forpersonalmail.fqdn"))
                        ("nnml.*:biz.*" (fqdn . "forworkmail.fqdn"))
)
)

OT: 
Personally I think posting style should be merged into Group Parameters
entirely. I know I can setup posting-style in parameters now, but it's
feature-limited. Topic Paramters->Groups Parameters (with regexp) ->
Specific Group Parameter can be a very reasonable cascading setup tree
just like what CSS (Cascading Style Sheet) does. 

CG
-- 
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