title: removing via from emails sent by mailgun
body: <p>Our customers use our cloud software to send emails.  We use mailgun to send those emails.  Our customers email recipients see "via go.livehive.com".  I was told that if our customers add a TXT record, example below, the via would go away.</p>
  
  <p>customer at abc.com adds the "include:go.livehive.com" into existing TXT record,</p>
  
  <p>v=spf1 include:go.livehive.com include:spf.protection.outlook.com ~all</p>
  
  <p>Some gmail documentation stated that we should only use one SPF record so that is why there are two includes in this TXT record. So far this has not worked, what are we doing wrong?</p>