Foxmail提示错误: 由于连接方在一段时间后没有正确答复或连接的主机没有反应，连接尝试失败。
Foxmail提示错误: Please check the email <***@***>, server reply: 501 Bad address syntax
Foxmail提示错误: 请求的名称有效，但是找不到请求的类型的数据。
Foxmail提示错误: ssl连接错误,errorCode:5
Foxmail提示错误: 421 too many connections
Foxmail提示错误: 请求的名称有效并且在数据库中找到，但是它没有相关的正确的数据来被解析。
Foxmail提示错误: 不知道这样的主机。
Foxmail提示错误: 远程主机强迫关闭了一个现有的连接。
Foxmail提示错误: Service is not available; please try again later.
Foxmail提示错误: Protocol Error: "Specified date is not valid".
Foxmail提示错误: Wrong number of command arguments
Foxmail提示错误: Parse error: invalid date format
Foxmail提示错误: 550：mailbox not found
Foxmail提示错误: 内容大小超过限制，保存邮件失败
Foxmail提示错误: Max request size *** excced
Foxmail提示错误: [ALERT]Message too large.
Foxmail提示错误: mail exceed limit
Foxmail提示错误: -ERR Exceeded the login limit for a *** minute period. Reduce the frequency of requests to the POP3 server.
Foxmail提示错误: 登录失败
Foxmail提示错误: 密码错误或者服务未开通。
Foxmail提示错误: 请输入访问服务器的用户名和密码。
Foxmail提示错误: Login failed.
Foxmail提示错误: Unable to logon
Foxmail提示错误: [AUTH]Invalid login
Foxmail提示错误: Login error password error
Foxmail提示错误: authentication failed
Foxmail提示错误: authorization failed
Foxmail提示错误: authorization failed or user locked
Foxmail提示错误: 535 Error: authentication failed
Foxmail提示错误: 550: Invalid User
Foxmail提示错误: 550：local user only
Foxmail提示错误: 551 delivery not allowed to non-local recipient
Foxmail提示错误: login failed, please check user and password
Foxmail提示错误: [AUTH]User name and password not accepted.
Foxmail提示错误: Logon failure: unknown user name or bad password.
Foxmail提示错误: [ALERT]Too many simultaneous connections.(Failure)
Foxmail提示错误: FETCH Fetch volume limit exceed
Foxmail提示错误: 553 Error: authentication is required
Foxmail提示错误: 501 syntax.helo hostname
Foxmail提示错误: 501 Invalid domain name
Foxmail提示错误: 554 DT:SPM 126
Foxmail提示错误: 554 DT:SPM 163