bless $self, __PACKAGE__;
my $res_hdr = [ 'Content-Type' => 'application/gzip',
'Content-Disposition' => "inline; filename=$fn.mbox.gz" ];
bless $self, __PACKAGE__;
my $res_hdr = [ 'Content-Type' => 'application/gzip',
'Content-Disposition' => "inline; filename=$fn.mbox.gz" ];