_spf.hostname TXT "v=spf1 ip4:IPv4_of_hostname/mask ip6:IPv6_of_hostname/mask a:hostname.sugarlabs.org mx:hostname.sugarlabs.org ~all" | _spf.hostname TXT "v=spf1 ip4:IPv4_of_hostname/mask ip6:IPv6_of_hostname/mask a:hostname.sugarlabs.org mx:hostname.sugarlabs.org ~all" |