send-email: Cleanup smtp-domain and add config

diff --git a/Documentation/git-send-email.txt b/Documentation/git-send-email.txt
index f171471e64d6b1980fe64a359c512e909d83adf7..288a4ec3039a59a14819b843d1100fc76a47e3f6 100644 (file)
--- a/Documentation/git-send-email.txt
+++ b/Documentation/git-send-email.txt
@@ -123,7 +123,8 @@ Sending
        Specifies the Fully Qualified Domain Name (FQDN) used in the
        HELO/EHLO command to the SMTP server.  Some servers require the
        FQDN to match your IP address.  If not set, git send-email attempts
-       to determine your FQDN automatically.
+       to determine your FQDN automatically.  Default is the value of
+       'sendemail.smtpdomain'.
 
 --smtp-pass[=<password>]::
        Password for SMTP-AUTH. The argument is optional: If no