您可以省略它,因为例如+mx和mx是相同的。 -表示 HARDFAIL,指示地址未通过测试,邮件必须被拒收(例如:v=spf1 -all)。 ~表示 SOFTFAIL,读作斜杠。它表示该地址未通过测试,但结果并不确定。您可以接受并标记不符合要求的电子邮件(例如:v=spf1 ~all)。 ?代表 “中立”(NEUTRAL),表示该地址没有通过或未通过测试...
v=spf1 mx -all 如果"mx" 不匹配,"-all" 就会被估值并且返回一个 hardfail 结果,因为它有一个 "-" qualifier。 include mechanism include mechanism 可以让 SPF 记录把定义在另外一个 SPF 记录中的第三方 IP 地址包括进来。 当您需要用外部邮件发送/邮件营销来发送邮件的话,这个特别有用。为了正确地验证这...
每条 SPF record 中的任何 SPF modifier 只能够使用一次。未知的 modifiers 会被忽略。 redirect modifier redirect modifier 有一个域名参数值: redirect=<domain> 在domain 上面的 SPF 记录会代替当前的 SPF 记录。 例如,domain.com 发布了以下的 SPF 记录: v=spf1 redirect=example.com 如果example.com 上面没...
如果“mx” 不匹配,”-all” 就会被估值并且返回一个 hardfail 结果,因为它有一个 “-“ qualifier。 include mechanism include mechanism 可以让 SPF 记录把定义在另外一个 SPF 记录中的第三方 IP 地址包括进来。 当您需要用外部邮件发送 / 邮件营销来发送邮件的话,这个特别有用。为了正确地验证这些来自第三方...
Received-SPF: neutral (google.com: 72.47.192.112 is neither permitted nor denied by best guess record for domain of wordpress@your_domain.com) client-ip=72.47.192.112; Received-SPF: fail (google.com: domain of wordpress@your_domain.com does not designate 72.47.192.112 as permitted sender) clie...
Third-party email marketing tools often require that you update your SPF record to accommodate their servers. ~allspecifies how hosts should regard servers that are not on the list. There are a few modifications you can use here: -all"Hard Fail" means to reject all mail that isn't on the...
HardFail: This SPF record example only allows emails to be sent from the specified IP address and rejects all other emails. V=spf1 ip4:192.0.2.0/24 -all Redirect mechanism: This example redirects to another domain’s SPF record. V=spf1 redirect=_spf.example.com Breaking down each component...
这是修饰符,可用在任何一个元素前面,如果不加的话,默认就是加号,代表「允许」;减号代表 hard fail,即「强制拒绝」;波浪线代表 soft fail,就是温柔地拒绝;问号代表 neutral,即「你看着办」。 v=spf1 这说明这是 SPF 第一版,必填。 mx 引入这个域名上的 MX 记录。可选。 a:pluto.example.net 引入pluto....
Imagine you create an SPF record and set the qualifier to hard fail, yetneglect to include any valid sources for email. No IP addresses, MX, A, or any other mechanisms for an email to actually pass SPF for your domain. This would cause all mail to hard fail SPF. ...
End your SPF record with “-all”. This indicates to ISPs that any email which comes from your domain without a proper SPF record will receive a hard fail, and be rejected. It’s the most secure way to close your SPF record.