v=spf1 a include:_spf.google.com -all v=spf1是 SPF 第 1 版,是将 TXT 记录标识为 SPF 记录的组件。 a授权域的 A 记录中检测到的主机发送电子邮件。 include:用于授权发件人可以代表某个域(此处为 google.com)发送电子邮件。 -all告诉接收方的服务器,未在此 SPF 记录中列出的地址未经授权不得发送...
v=spf1 include:sendgrid.net ~all 一旦包含进去,发送自 SendGrid 服务器的邮件将会通过 SPF 认证。 a mechanism 如果发起请求主机的 IP 地址是 a mechanism 指定的其中一个 IP 地址的话,a mechanism 将会匹配。 a mechanism 可以是以下之一: a:如果发起请求主机的 IP 地址和该域名(发布 SPF 记录的域名)解...
v=spf1 a mx include:_spf.google.com ~all 这个SPF记录表示: v=spf1:使用SPF版本1。 a:允许example.com的A记录IP地址发送邮件。 mx:允许example.com的MX记录服务器发送邮件。 include:_spf.google.com:包含Google的SPF记录。 ~all:所有其他IP地址都不被允许发送邮件。 参考链接 SPF Record Syntax DNS TXT...
v=spf1 a mx include:_spf.google.com ~all 然后在DNS管理面板中添加这条记录。 参考链接 SPF Record Syntax SPF Record Setup Guide 通过以上步骤,你可以有效地解决域名未设置有效SPF记录的问题,提高电子邮件的可信度和投递率。 1回答 为第二个域添加SPF记录,但我还没有Gmail的SPF记录 ...
v=spf1 include:sendgrid.net ~all 一旦包含进去,发送自 SendGrid 服务器的邮件将会通过 SPF 认证。 a mechanism 如果发起请求主机的 IP 地址是 a mechanism 指定的其中一个 IP 地址的话,a mechanism 将会匹配。 a mechanism 可以是以下之一: a:如果发起请求主机的 IP 地址和该域名(发布 SPF 记录的域名)解...
v=spf1 ip4:192.0.2.0 ip4:192.0.2.1 include:examplesender.email -all This example lets the server know what type of record this is, states the approved IP addresses and a third-party for this domain, and tells the server what to do with non-compliant emails. Let’s break down how the...
Here is an SPF record example: the default SiteGround SPF setup. v=spf1 +a +mx include:_1c3125358d5b0660b2012471e2c2b23a.spf.dnssmarthost.net include:_spf.mailspamprotection.com ~all The version prefix (v=spf1) tells the parsers to interpret this TXT record as the SPF record since ...
v=spf1 include:_spf.google.com include:acmeemailmarketing.com ~all Note: The ~all at the end is called a soft fail. It means that recipients may accept mail from another server, but it should be viewed with suspicion. If you change it to -all, you are directing the recipient to reje...
Thesetypesdo NOT define a verification mechanism but affect the verification sequence. include- Recurse (restart) testing using supplied domain. Thesender-domainis replaced with the included domain name. Example: ; spf record for example.com
Your SPF record required more than 10 DNS Lookups to be performed during the test. The number of "include" mechanisms and chained "redirect' modifiers should be kept to a minimum. According to RFC 7208, 'SPF implementations MUST limit the number of mechanisms and modifiers that do DNS Lookups...