Variable: default-sendmail-coding-system
default-sendmail-coding-system is a variable defined in
sendmail.el.gz.
Value
utf-8
Documentation
Default coding system for encoding the outgoing mail.
This variable is used only when sendmail-coding-system is nil.
This variable is set/changed by the command set-language-environment.
User should not set this variable manually,
instead use sendmail-coding-system to get a constant encoding
of outgoing mails regardless of the current language environment.
See also the function select-message-coding-system.
Probably introduced at or before Emacs version 20.4.
Source Code
;; Defined in /usr/src/emacs/lisp/mail/sendmail.el.gz
;;;###autoload
(defvar default-sendmail-coding-system 'utf-8
"Default coding system for encoding the outgoing mail.
This variable is used only when `sendmail-coding-system' is nil.
This variable is set/changed by the command `set-language-environment'.
User should not set this variable manually,
instead use `sendmail-coding-system' to get a constant encoding
of outgoing mails regardless of the current language environment.
See also the function `select-message-coding-system'.")