[color=#FF0000]EDIT :[/color] Apparently your e-mail is not good, I got a 550 error.
Code
SMTP error from remote mail server after RCPT TO:<3**7**1*@qq.com>:
host mx3.qq.com [112.95.240.192]: 550 Mailbox not found. http://service.mail.qq.com/cgi-bin/help?subtype=1&&id=20022&&no=1000728
[color=#FF0000]Re EDIT :[/color] Returned with one of your personal account on the forum, apparently it's good ! Can you confirm receipt of my message ?