AG
$res = Bitrix\Crm\FieldMultiTable::getList([
"order" => ["ID" => "DESC"],
"select" => ["VALUE"],
"filter" => [
"LOGIC" => "OR",
["%VALUE" => ".etlgr.com","TYPE_ID" => "EMAIL", "ENTITY_ID" => ["CONTACT","COMPANY"]],
["%VALUE" => "@etlgr.com","TYPE_ID" => "EMAIL", "ENTITY_ID" => ["CONTACT","COMPANY"]],
],
]);
