我的域名用来发送用户验证2fa，用户操作二次确认，只给qq.com的用户发，前两天提示被拉入了Spamhaus Domain Blocklist (DBL)，发哪都被拒绝了，想问一下有没有佬懂得 
发工单的回复就是这个，我这个域名一年多了，SpaceShip注册，cdn用的大善人cloudflare，邮局是Microsoft E5订阅。 

Thank you for contacting the Spamhaus Ticketing team, 
It should be considered that:
xxxxxx [.] org
Is in an Internet neighbourhood with “poor reputation” that has shared (or inevitably will share) its negative reputation with y...