v=spf1 ip4:74.212.137.4 ip4:74.212.137.5 ip4:74.212.137.6 ip4:74.212.137.7 ip4:74.212.137.8 ip4:74.212.137.15 ip4:74.212.137.16 ip4:50.1.66.4 ip4:50.1.66.5 ip4:50.1.66.6 ip4:50.1.66.7 ip4:50.1.66.8 ip4:50.1.66.15 ip4:50.1.66.16 include:spf1.melissas.com -all