利用cloudmail注册报错400，手动利用域名邮箱注册可以注册

[3water06]

[18:32:14][任务5] [18:32:16] 注册失败: 400 - Failed to create account. Please try again.
[18:32:14][任务5] [18:32:16] PR60 anyauto V2 回退流程也失败了: 注册密码接口返回异常: Failed to create account. Please try again. | anyauto fallback: 注册流失败: 注册失败: HTTP 400: Failed to create account. Please try again.
[18:32:14][任务5] [失败] 注册失败: 注册密码接口返回异常: Failed to create account. Please try again. | anyauto fallback: 注册流失败: 注册失败: HTTP 400: Failed to create account. Please try again.