Gnus doesn't connect to my SMTP server

Gnus doesn't connect to my SMTP server

[bromley]

Hello list.

I have two machines: A and B.

A is running Dovecot and Postfix.
B is running Gnus.

I can connect to A via IMAP to read messages, but I can't
reply. Something is wrong because the `From:' field shows the
`user@hostname' of B, but it should show my email address instead (for
instance, admin@example.com).

There was nothing related to SMTP in `*Messages*'. How can I tell Gnus
to connect to the SMTP server?

(I've seen the `i-did-not-set--mail-host-address--so-tickle-me'
warning, but I assume it's a different issue.)

I've never used SMTP. Is it connected with Gnus or Postfix? Is it
necessary to configure Postfix on B?

.gnus.el:

(setq gnus-select-method
	  '(nnimap "A"
			   (nnimap-address "machine")
			   (nnimap-stream ssl)))

(setq message-send-mail-function 'smtpmail-send-it)
(setq smtpmail-starttls-credentials '(("machine" 25 nil nil)))
(setq smtpmail-auth-credentials '(("machine" 25 "admin" nil)))
(setq smtpmail-default-smtp-server "machine")
(setq smtpmail-smtp-service 25)
(setq starttls-use-gnutls t)

Re: Gnus doesn't connect to my SMTP server

[Adam Sjøgren]

On Sun, 9 Dec 2012 08:29:57 -0500 (EST), bromley@lavabit.com wrote:

> Something is wrong because the `From:' field shows the `user@hostname'
> of B, but it should show my email address instead (for instance,
> admin@example.com).

If the email-address isn't detected correctly automatically, you may
want to set user-mail-address:

,----[ C-h v user-mail-address RET ]
| user-mail-address is a variable defined in `startup.el'.
| Its value is "asjo@koldfront.dk"
| 
| Documentation:
| Full mailing address of this user.
| This is initialized with environment variable `EMAIL' or, as a
| fallback, using `mail-host-address'.  This is done after your
| init file is read, in case it sets `mail-host-address'.
| 
| You can customize this variable.
| 
| [back]
`----

> There was nothing related to SMTP in `*Messages*'. How can I tell Gnus
> to connect to the SMTP server?

I don't use SMTP locally myself (Gnus defaults to sendmail(1), which is
the local Postfix on my desktop machine); I think something like:

  (setq message-send-mail-function 'smtpmail-send-it
        smtpmail-default-smtp-server "yoursmtpserver.example.com")

and then filling in your password for the smtp-server in ~/.authinfo
should be enough, though.


  Best regards,

    Adam

-- 
 "However, it sometimes fails for the unknown                 Adam Sjøgren
  reason so far."                                        asjo@koldfront.dk

Re: Gnus doesn't connect to my SMTP server

[bromley]

(setq send-mail-function 'smtpmail-send-it) fixed the problem.