Variable: smtpmail-local-domain
smtpmail-local-domain is a customizable variable defined in
smtpmail.el.gz.
Value
nil
Documentation
Local domain name without a host name.
If the function system-name(var)/system-name(fun) returns the full internet address,
don't define this value.
Source Code
;; Defined in /usr/src/emacs/lisp/mail/smtpmail.el.gz
(defcustom smtpmail-local-domain nil
"Local domain name without a host name.
If the function `system-name' returns the full internet address,
don't define this value."
:type '(choice (const nil) string))