451 4.7.0 Temporary server error. Please try again later. PRX2

2021/3/29 10:03:54      点击:

Receiving server has rejected your message temporarily. 451 4.7.0 Temporary server error. Please try again later. PRX2

出现这个错误,一般是EX传输服务故障了,可以尝试一下重启"Microsoft Frontend Transport(Microsoft Exchange 前端传输)" and "Microsoft Exchange Transport(Microsoft Exchange 传输)" 两个服务。如果还有问题,请检查一下DNS,比如使用腾讯云主机的,有可能网卡的默认主DNS被重置到了腾讯的DNS地址了。