SPF records
Information about the permissible posts of mail for the domainv=spf1 a mx ip4:91.195.179.27 ip4:37.192.242.74 include:spf.unisender.com include:mxsspf.sendpulse.com include:2325a238fe6ecb3f5dae6f6cca4fbae6.gca.to include:spf.mailganer.com ~all