T楼给的edu邮箱，不能收发邮件，会是啥原因？

vpn

收不到邮件，发邮件时提示下面信息

Your message wasn't delivered because the recipient's email provider rejected it.


Diagnostic information for administrators:

Generating server: DS7P220MB0832.NAMP220.PROD.OUTLOOK.COM

xxxxxxx@gmail.com
Remote server returned '550 5.7.705 Service unavailable. Access denied, tenant has exceeded threshold. For more information please go to http://go.microsoft.com/fwlink/?LinkId=526653 S(7136) [SJ2P220MB0949.NAMP220.PROD.OUTLOOK.COM 2023-09-12T11:38:40.386Z 08DBB3475EBCC29F]'

Original message headers:

Received: from DS7P220MB0832.NAMP220.PROD.OUTLOOK.COM
([fe80::6c02:c25c:f2e1:a12e]) by DS7P220MB0832.NAMP220.PROD.OUTLOOK.COM
([fe80::6c02:c25c:f2e1:a12e%4]) with mapi id 15.20.6745.034; Tue, 12 Sep 2023
11:38:40 +0000
MIME-Version: 1.0
Content-Type: text/plain
Date: Tue, 12 Sep 2023 11:38:40 +0000
Message-ID:
        <DS7P220MB083263C931B004D926A3B29DE2F1A@DS7P220MB0832.NAMP220.PROD.OUTLOOK.COM>
Subject: =?gb2312?B?suI=?=

LiuJia

楼主您好，从退信的信息来看，好像是outlook收件邮局拒收了，说超过阀值了。您可以隔天，或发到另一个收件人试试。

vpn

LiuJia 发表于 2023-9-13 17:45
楼主您好，从退信的信息来看，好像是outlook收件邮局拒收了，说超过阀值了。您可以隔天，或发到另一个收件 ...

不行，感觉应该是邮箱本来就不能用了

LiuJia

vpn 发表于 2023-9-15 22:27
不行，感觉应该是邮箱本来就不能用了

好的。可以咨询一下T楼的楼主。

盖亚奥特曼

outlook的吧  这种一般能收  不能发 滥发邮件被微软风控 过几个月就好了