public static function onChangeEnvironmentSetting($oldValue, $newValue, $metadata) {
if ($newValue != 'Production') {
$mailing = Civi::settings()->get('mailing_backend');
- if ($mailing['outBound_option'] != 2) {
+ if ($mailing['outBound_option'] != CRM_Mailing_Config::OUTBOUND_OPTION_DISABLED) {
Civi::settings()->set('mailing_backend_store', $mailing);
}
Civi::settings()->set('mailing_backend', ['outBound_option' => CRM_Mailing_Config::OUTBOUND_OPTION_DISABLED]);