the necessary keywords to look them up in the manual, ChangeLog or other
sources of information.
+2005-09-14:
+
+ The $smtp_envelope_from variable has been removed in favor of the
+ general $envelope_from_address.
+
+ The $envelope_from option has been renamed to $use_envelope_from.
+
2005-09-07:
SASL 1.x support has been removed.