Variable: smtpmail-stream-type

smtpmail-stream-type is a customizable variable defined in smtpmail.el.gz.

Value

nil

Documentation

Type of SMTP connections to use.

This may be either nil (upgrade with STARTTLS if possible), starttls (refuse to send if STARTTLS isn't available), plain (never use STARTTLS), or ssl (to use TLS/SSL).

This variable was added, or its default value changed, in Emacs 24.1.

Probably introduced at or before Emacs version 24.1.

Source Code

;; Defined in /usr/src/emacs/lisp/mail/smtpmail.el.gz
(defcustom smtpmail-stream-type nil
  "Type of SMTP connections to use.
This may be either nil (upgrade with STARTTLS if possible),
`starttls' (refuse to send if STARTTLS isn't available),
`plain' (never use STARTTLS), or `ssl' (to use TLS/SSL)."
  :version "24.1"
  :type '(choice (const :tag "Possibly upgrade to STARTTLS" nil)
		 (const :tag "Always use STARTTLS" starttls)
		 (const :tag "Never use STARTTLS" plain)
		 (const :tag "Use TLS/SSL" ssl)))