This E-Mail is Delivery Status mail from mail gateway, Not virus.
From log amorn@gammatextile.com sent E-mail to qiqi521@tianya.cn
But the E-mail can't sent because no E-Mail address qiqi521@tianya.cn in tianya.cn
So mail gateway send Delivery Status Notification (Failure) to amorn@gammatextile.com for inform user.
If amorn@gammatextile.com didn't send E-mail to qiqi521@tianya.cn by himself.
Please change password, and password must difficult to guess.
And scan virus on his computer .