一、FOXMAIL发送邮件常见出错代码:
按照下列“Q”代表问题,“A”代表解答。 
Q:the server says:550 relaying mail to <> is not allowed 
Q:The server says:550 <>... relaying denied 
Q:the server says:550 5.7.1 relaying not permitted: 
A:使用某些Smtp服务器时,限制了收件人的地址,只能换一个Smtp服务器。 
Q:The server says:550 <>:local user only 
Q:The server says:550 <>:Invalid User 
Q:The server says:550 Invalid recipient 
A:使用163163yeahnetease之类的Smtp服务器时,只能用自身的信箱发信,所以要在Outlook Express的“帐户属性”中的“个人信息”里面填写正确的邮件地址。 
Q:the server says:551 delivery not allowed to non-local recipient 
Q:The server says:553 Relay restriction. 
Q:The server says:553 From <>, message blocked. 
马桶可以移位吗Q:The server says:553 sorry,you are not allow to use this SMTP to relay your eami 
Q:The server says:553 sorry, that domain isn't in my list of allowed rcpthosts 
A:使用21cnchina371sina等大多数信箱的smtp服务器时,只能用自身的信箱发信,所以要在Outlook Express的“帐户属性”中的“个人信息”里面填写正确的邮件地址。 
Q:The server says:505 client was not authenticated 
Q:The server says:553 authentication is required to send mail as <> 
A:使用263sohuSmtp服务器时,不但要用自身的邮箱发信,而且要加入身份验证,所以即要在“个人信息”中填写正确邮箱地址,又要选中“SMTP服务器需要认证”。 
Q:The server says:535 Error:authenticatin failed 
Q:The server says:535 Authentication unsuccessful 
Q:The server says:452 Insufficient system storage 
A:在使用Esmtp认证的过程中出错,检查一下Esmtp设置,多试几次。 
Q:The server says:553 <>...domain name required 
Q:The server says:550 Unable to relay for ... 
A:多出现在用Wingate代理服务器发送邮件时。虽然在Wingate中“POP3 邮箱帐号”要使用“用户名何炅女朋友#POP3地址”的格式,但在“帐户属性”中的“个人信息”中还是要填写一般的格式。 
Q:The server says:553 mailbox name not allowed 
A:收件人邮箱地址不允许,需检查收件人地址是否正确。
Q:the server says:553 sorry, your envelop sender is in my badmailfrom list 
A:服务器限制了收件人的地址,只能换一个smtp服务器发信。 
Q:the server says:554 Transaction failed 
Q:The server says:451 Requested action aborted,errno=28 
A:传输失败,检查网络问题。 
Q:the server says:503 error:needmail command 
Q:The server says:503 need mail before RCPT. 
Q:The server says:503 Bad sequence of commands 
A:消息命令顺序出错,一般出现在其他错误之后,先检查之前出现的错误提示。 
Q:The Server says:501 syntax.helo hostname 
Q:The server says:501 Invalid domain name 
Q:The server says:502 unimplemented command 
Q:the server says:503 5.0.0 polite people say HELO first 
Q:The server says:533 relay restriction 
Q:The server says:544 <>:Recipient address rejected: Relay access denied 
绿茶婊2A:传输中的语法错误,原因不明。
二、OUTLOOK一会儿 一会儿造句发送邮件常见出错代码:
0x800C013E 可能是 Folders.dbx 档案属性错误或损坏.
0x800CCC00 身份验证(航站楼查询刘谦为什么被封杀Authentication)未载入
0x800CCC01 认证(Certificate)内容错误
0x800CCC02 认证日期错误