Spf1 needs to be added for SMTP of QQ enterprise mailbox for investigation

Http://service.mail.qq.com/cgi-bin/help? Subtype = 1 & NO = 417 & id = 48

 

What is SPF? How can I set SPF to prevent my emails from being rejected? What is SPF?(Sender policy framework), a technology that authenticates the sender of an email by IP address, is a very efficient spam solution. The recipient will first check the SPF record of the domain name to determine whether the sender's IP address is included in the SPF record. If so, it is considered a correct email, otherwise, it will be considered as a forged email for return. How can I set the SPF record for my domain name mailbox?To improve the success rate of sending emails from external domains (emails other than @ QQ.com) to a domain name mailbox, we recommend that you set a TXT record for your domain name to avoid this situation. TXT record value: V = spf1 include: spf.mail.qq.com ~ 1. log on to the domain name management system from diy.hichina.com; 2. Set a TXT record in txt (body string), as shown below: