Email security & deliverability · grade A
v=spf1 ip4:164.47.16.50 ip4:164.47.16.51 include:spf.protection.outlook.com include:_spf.academicworks.com include:cust-spf.cashnet.com include:_spf.psm.knowbe4.com include:zcsend.net include:_spf.mailgun.org include:_spf.elasticemail.com ~all