由于条件访问,未经身份验证的 SMTP 现已被阻止
一夜之间,我们的一些无人值守的 SMTP 邮箱(用于从代码发送电子邮件)已停止工作,并出现错误:
Authentication requirement Single-factor authentication
Status Failure
Continuous access evaluation No
Sign-in error code 53003
Failure reason Access has been blocked by Conditional Access policies. The access policy does not allow token issuance.
我试图简单地从 MFA 要求中删除这些帐户(我实际上不记得为所有用户打开了这些帐户),但我单击的每个屏幕我收到一条错误消息,指出我需要高级订阅才能配置条件访问。我缺少什么?当然,我们无权配置的访问策略不应该被应用吗?
Overnight some of our unattended SMTP mailboxes (used for sending email from code) have stopped working with error:
Authentication requirement Single-factor authentication
Status Failure
Continuous access evaluation No
Sign-in error code 53003
Failure reason Access has been blocked by Conditional Access policies. The access policy does not allow token issuance.
I am trying to simply remove these accounts from the MFA requirement (which I dont actually recall switching on for all users) but every screen I click on I receive an error stating that I need a Premium subscription to configure conditional access. What am I missing? Surely an access policy that we are not licenced to configure should not be getting applied?
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检查安全默认值是否已禁用
o365管理中心>设置>组织设置>现代认证
Check if security defaults are disabled under
o365 Admin Center > Settings > Org Settings > Modern Authentication