When '--compose' is used, git send-email will use the From, Subject, and
In-Reply-To headers specified in the message. If the body of the message
(what you type after the headers and a blank line) only contains blank
-(or GIT: prefixed) lines the summary won't be sent, but From, Subject,
+(or Git: prefixed) lines the summary won't be sent, but From, Subject,
and In-Reply-To headers will be used unless they are removed.
+
Missing From or In-Reply-To headers will be prompted for.
Furthermore, passwords need not be specified in configuration files
or on the command line. If a username has been specified (with
'--smtp-user' or a 'sendemail.smtpuser'), but no password has been
-specified (with '--smtp-pass' or 'sendemail.smtppass'), then the
-user is prompted for a password while the input is masked for privacy.
+specified (with '--smtp-pass' or 'sendemail.smtppass'), then
+a password is obtained using 'git-credential'.
--smtp-server=<host>::
If set, specifies the outgoing SMTP server to use (e.g.