52VNGSPY4WEMKF5J3GXSDEIB2HBJJB3GOAQAP4ZH7KOPLS4THH5AC
J4C4V6GLQUZLVB4JPPDS233YI2MPP6LT3WALHWBXOKRKNKRTWSWQC
5EQYVRWECBDJORGI5DRIOUEJXSXMRCQNT2562BM4Z4U52LT7JUHAC
foreach my $address (split ",", $to) {
foreach my $address (split ",", ($to // "")) {