avoid signing header field 'received' by amavis

Florian Schaal

2013-12-18 d6742cf37d409cda27725dd90e593e9ed392055b

 install/tpl/opensuse_amavisd_conf.master

@@ -781,7 +781,8 @@
# DKIM

$enable_dkim_verification = 1;
$enable_dkim_signing = 1; # load DKIM signing code,
$enable_dkim_signing = 1; # load DKIM signing code
$signed_header_fields{'received'} = 0;  # turn off signing of Received
@dkim_signature_options_bysender_maps = (
{ '.' => { ttl => 21*24*3600, c => 'relaxed/simple' } } );