问：– Original message –From: MAILER-DAEMON@stew.skyfile-access.com (Mail Delivery System)To: owner.Miami@SkyFile.comDate: Wed, 7 Nov 2018 03:47:44 0000 (UTC)Subject: Undelivered Mail Returned to Sender This is the mail system at host stewns2.skyfile-access.com. I'm sorry to have to inform you that your message could notbe delivered to one or more recipients. It's attached below. For further assistance, please send mail to postmaster. If you do so, please include this problem report. You candelete your own text from the attached returned message. The mail system <Spares@dmmarine.cn>: host mx2.yunyou.top[127.0.0.1] said: 554 5.7.1 <Spares@dmmarine.cn>: Recipient address rejected: The sender SPF validation fails. [ 702 ], see https://www.yunyou.top/help/detail?id=53 (in reply to RCPT TO command) <Stores@dmmarine.cn>: host mx2.yunyou.top[127.0.0.1] said: 554 5.7.1 <Stores@dmmarine.cn>: Recipient address rejected: The sender SPF validation fails. [ 702 ], see https://www.yunyou.top/help/detail?id=53 (in reply to RCPT TO command)
问：
答：您好，
SPF验证失败解决办法：
1）联系对方邮局管理员将所有发信IP添加到SPF解析中（推荐）。
2）登录邮局管理员postmaster，进入邮局管理，在邮箱管理–反垃圾设置里面关闭SPF发信验证。关闭SPF验证后不会再验证SPF，会导致有大量垃圾邮件及伪造域名的邮件进来。
