the necessary keywords to look them up in the manual, ChangeLog or other
sources of information.
+2005-08-18:
+
+ The $max_display_recips option has been added.
+
2005-08-13:
+ The $smtp_envelope option has been added.
+
To improve consistency, the following variables were renamed and
synonyms kept: $smtp_auth_username to $smtp_user and
$smtp_auth_password to $smtp_pass.