Email security & deliverability · grade A
v=spf1 mx ip4:74.91.88.107 ip4:80.6.91.224/27 ip4:82.3.48.0/26 ip4:82.3.48.64/26 ip4:81.109.165.40/29 include:servers.mcsv.net include:spf.protection.outlook.com include:amazonses.com include:mail.zendesk.com include:143821590.spf10.hubspotemail.net ~all