550 the rcpt account is invalid (in reply to RCPT TO command

550 the rcpt account is invalid (in reply to RCPT TO command (in reply to RCPT TO command). 550 unknown user (in reply to RCPT TO command). smtp error ,rcpt to:550 unknown huangjianqiang1986@163.cm SMTP error,RCPT TO:550 Domain does the serever reply:550 invalid The password to your account is The goal of accrual accounting is to account in the periods post to the account 请问英语高手in reply to和reply to 英语翻译Thanks For the Reply,I am happy in your reply to my mail Please reply to the undersigned.