应该是outlook邮箱配置有误，按照如下步骤重新配置就可以解决：
1.点击outlook菜单栏上的“文件”选项，可以看到主界面右侧有一个“添加账户”的选项。
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2.点击“添加账户”，进入其设置界面。这里有三大选项，请选择“手动设置服务器设置或其他服务器类型”。
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3.点击下一步，进入“选择服务”的界面，继续点击下一步
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4.进入“Internet电子邮件设置”界面。
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5.在用户信息处，请将姓名和电子邮件地址填入；在服务器信息处，填上账户类型和接、收服务器的信息。包括下面的登录密码。
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6.再点击右侧的“其他设置”，进入其设置界面，选择“发送服务器”选项。请勾选要求验证。
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7.最后点击“测试用户设置”，测试成功，将会提示完成所有测试，你可以正常使用outlook账户了。如果测试失败，会告知错误。这说明有些地方出错了，需要重新设置。
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