$restricted = array(
'mailinator.com', '10minutemail.com', 'pookmail.com',
'mail4trash.com', 'spaml.com', 'odnorazovoe.ru',
'wwwnew.eu', 'lawlita.com', 'oneoffmail.com',
'spamgourmet.com', 'mytrashmail.com', '2prong.com',
'temporaryinbox.com', 'jetable.org', 'tempinbox.com',
'guerrillamail.com', 'dontreg.com', 'bugmenot.com',
'wh4f.org', 'spamhole.com', 'tempomail.fr',
'spambox.us', 'tempemail.net', 'maileater.com',
'spam.la', 'fakedemail.com', 'spam.su', 'antireg.ru','mailforspam.com','asdasd.ru','slopsbox.com','trashmail.net',
'otherinbox.com','antireg.com','mailinator2.com','sogetthis.com',
'mailin8r.com','mailinator.net','spamherelots.com', 'thisisnotmyrealemail.com','owlpic.com', 'slopsbox.com', 'dodgit.com'
);

baidu.com ^_^