set_default(\%config,'sendmail_arguments',[qw(-oem -oi)]);
+=item envelope_from
+
+Envelope from to use for sent messages. If not set, whatever sendmail picks is
+used.
+
+=cut
+
+set_default(\%config,'envelope_from',undef);
+
=item spam_scan
Whether or not spamscan is being used; defaults to 0 (not being used