return 1 if( $header =~ /^Sender:/i );
return 1 if( $header =~ /^In-Reply-To:/i );
return 1 if( $header =~ /^Originator:/i );
+ return 1 if( $header =~ /^X-Trace:/i );
+ return 1 if( $header =~ /^X-Complaints-To:/i );
+ return 1 if( $header =~ /^NNTP-Posting-Date:/i );
return 0;
}