-;; If (system-name) does not return FQDN,
-;; set following as a local domain name without hostname.
-;; ((system-name) "." wl-local-domain is used as domain part of Message-ID
-;; and an argument of HELO in SMTP.
-;(setq wl-local-domain "example.com")
-
-;; Specific domain part for message-id.
-;(setq wl-message-id-domain "hostname.example.com")
-
-;; Use wl-from for generating message-id.
-;; wl-message-id-use-wl-from precedes wl-local-domain and wl-message-id-domain.
-;(setq wl-message-id-use-wl-from t)
-