550 unknown user (in reply to RCPT TO command).

550 unknown user (in reply to RCPT TO command). The following reason was given:User unknown Mail Sieve Subsystem unknown 英语翻译请帮忙翻译:Unknown user name or password navailable database Alias:AccsetDB User is currently in DND user The original message was received at Thu,16 Mar 2006 01:34:11 -0600 (CST)看怎么样才能解决?----- The following addresses had permanent fatal errors -----(reason:550 5.1.1 User unknown)----- Transcript of session follows -----...while talking t Unknown column 'md5pass' in 'field list' 怎么解决getpwuid_r():failed due to unknown user id (0)这是个bug还是其他什么原因啊, User files were found in the said:550 5.1.1 No such user (in reply to RCPT TO command).我不懂这些英文 He may have lived the rest of his life as an unknown piano player in an unknown bar.句子翻译! See Troubleshooting and routine maintenance chapter in user's Gruide the program only for one user in sime End User License in English below Simplified Chinese version Technological mediation and user created content in tourism怎么翻译 User sherry_cheng (sherry_cheng@hjtc.com.cn) not listed in public User LenovoWebServices (LenovoWebServices@lenovo.com) not listed in Domino D