Variable: message-mail-user-agent
message-mail-user-agent is a customizable variable defined in
message.el.gz.
Value
nil
Documentation
Your preferred package for composing and sending email when using message.el.
Like mail-user-agent (which see), this specifies the package you prefer
to use for composing and sending email messages.
The value can be anything accepted by mail-user-agent, and in addition
it can be nil or t. If the value is nil, use the Gnus native Mail User
Agent (MUA); if it is t, use the value of mail-user-agent.
For more about mail user agents, see Info node (emacs)Mail Methods
This variable was added, or its default value changed, in Emacs 21.1.
Source Code
;; Defined in /usr/src/emacs/lisp/gnus/message.el.gz
(defcustom message-mail-user-agent nil
"Your preferred package for composing and sending email when using message.el.
Like `mail-user-agent' (which see), this specifies the package you prefer
to use for composing and sending email messages.
The value can be anything accepted by `mail-user-agent', and in addition
it can be nil or t. If the value is nil, use the Gnus native Mail User
Agent (MUA); if it is t, use the value of `mail-user-agent'.
For more about mail user agents, see Info node `(emacs)Mail Methods'"
:version "22.1"
:type '(radio (const :tag "Gnus native"
:format "%t\n"
nil)
(const :tag "`mail-user-agent'"
:format "%t\n"
t)
(function-item :tag "Default Emacs mail"
:format "%t\n"
sendmail-user-agent)
(function-item :tag "Emacs interface to MH"
:format "%t\n"
mh-e-user-agent)
(function :tag "Other"))
:version "21.1"
:group 'message)