·Recipient rejected: <xxx@yahoo.com>: 553 5.7.1 < xx@xx.com >: Sender address rejected: not owned by user xx@xx.com
发送邮箱地址被拒绝。建议您换个邮箱发送。
·Recipient rejected: <xxx@yahoo.co.uk>: 550 Your mailbox is full？
您的邮箱空间已满不能再发送邮件。建议您整理邮箱中的邮件。
·Cannot send message: 451 sorry, server closed？
不能发送，服务器已经关闭。建议您稍候再尝试邮件发送操作 。
·Recipient rejected: <xxx@yahoo.com>: 500 Error: bad syntax
收件人地址格式不正确。请核实收件人地址是否正确。
·421 Service not available, closing transmission channel (This may be a reply to any command if the service knows it must shut down)
服务暂时不可用！建议您稍候再尝试发送。
·450 Requested mail action not taken: mailbox unavailable (E.g., mailbox busy)
邮件发送请求没有发生：邮箱不可用（例如，邮箱忙）！建议您稍候再尝试！
·451 Requested action aborted: local error in processing
请求的邮件操作被中止：本地进程错误。建议您重新启动邮件营销助手来尝试发送
·550 Requested action not taken: mailbox unavailable (E.g., mailbox not found, no access)？
请求的操作未被执行：邮箱不可用（例如，邮箱未找到，不能访问）。建议您稍候再尝试。
·552 Requested mail action aborted: exceeded storage allocation
请求的邮件操作中止：超出存储分配。建议您整理邮箱中的邮件。
· 553 Requested action not taken: mailbox name not allowed (E.g., mailbox syntax incorrect)
请求的操作未被执行：不允许的邮箱名称（例如，邮箱的语法不正确的）；
·550 5.3.4 Requested action not taken; This account is currently blocked from sending messages. If you don't think you've violated the Windows Live Terms of Use, please contact customer support
