电子邮件验证
SPF 레코드 (SPF Record)
定义
A DNS TXT record listing a domain's authorized sending mail servers, beginning with v=spf1 and composed of mechanisms like include, a, mx, ip4 and qualifiers such as -all.
电子邮件验证
A DNS TXT record listing a domain's authorized sending mail servers, beginning with v=spf1 and composed of mechanisms like include, a, mx, ip4 and qualifiers such as -all.