v=spf1 ip4:52.60.41.5 ip4:54.191.223.56 ip4:54.255.61.23 ip4:63.128.21.0/24 ip4:74.125.0.0/16 ip4:8.36.116.0/24 ip4:8.39.144.0/24 a:zgateway.zuora.com exists:%{i}._spf.mta.salesforce.com ~all
