微软OFFICE365：v=spf1 include:spf.protection.outlook.com -all
腾讯企业邮箱：v=spf1 include:spf.mail.qq.com -all
网易企业邮箱：v=spf1 include:spf.163.com -all
阿里云邮箱：v=spf1 include:spf.mxhichina.com -all
亚马逊SES：v=spf1 include:amazonses.com ~all
Fastmail邮箱：v=spf1 include:spf.messagingengine.com ?all
谷歌企业邮箱：v=spf1 include:_spf.google.com ~all
GoDaddy企业邮箱：v=spf1 a mx include:secureserver.net ~all
Sendgrid：v=spf1 include:u123456.wl.sendgrid.net -all
MailChimp：v=spf1 include:spf.mandrillapp.com ?all
Mailgun：v=spf1 include:mailgun.org ~all
Mailjet：v=spf1 include:spf.mailjet.com ~all
Rackspace：v=spf1 include:emailsrvr.com ~all
ZohoMail：v=spf1 include:zoho.com -all