Powered by Typecho)))
Optimized by EAimTY
通常我们为了防止自己域名邮箱被伪造,会通过配置SPF记录来限制域名邮箱可以外发的IP网段。
SPF相关配置说明可以参考:https://support.google.com/a/answer/33786?hl=zh-Hans
renothing@desktop:~[master]$ dig txt 37hi.com
; <<>> DiG 9.10.3-P4-Ubuntu <<>> txt 37hi.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21325
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
;; QUESTION SECTION:
;37hi.com. IN TXT
;; ANSWER SECTION:
37hi.com. 600 IN TXT "v=spf1 include:spf.mail.qq.com ~all"