Email security & deliverability · grade A
v=spf1 a:mail.builtin.com include:servers.mcsv.net include:_spf.google.com include:spf.mandrillapp.com include:spf.clearslide.com include:aspmx.pardot.com include:mailgun.org include:u826348.wl.sendgrid.net include:50818081.spf05.hubspotemail.net ~all