return 1 if( $header =~ /^Supersedes:/i );
return 1 if( $header =~ /^Precedence:/i );
return 1 if( $header =~ /^Apparently-To:/i );
- return 1 if( $header =~ /^Date:/i );
return 1 if( $header =~ /^Expires:/i );
return 1 if( $header =~ /^Distribution:/i );
return 1 if( $header =~ /^Path:/i );