# unfortunately, some mailers don't set correct types,
# let messages of unknown type through but do not
# change the sender-specified type
if (recheck_type_ok($part)) {
push @keep, $part;
# unfortunately, some mailers don't set correct types,
# let messages of unknown type through but do not
# change the sender-specified type
if (recheck_type_ok($part)) {
push @keep, $part;