On Sat, 2012-02-18 at 12:34 -0500, Jonathan Vomacka wrote: > If someone uses a mobile device to send e-mail? Would ~all be better? I
Teach them to use smtp authentication using submission (port 587 stuff) and it doesn't matter where they come from, so long as your MTA is configured correctly of course :) > also generated the following SPF using a wizard. Let me know if this > looks correct: > > teamwarfare.com. IN TXT "v=spf1 a mx a:mail.teamwarfare.com > a:mail2.teamwarfare.com ip4:66.90.73.80 ip4:216.250.250.148 ~all" > kinda overkill, you are twice declaring the same machines AND saying any host with an A record in teamwarfare.com (risky) just use the IP's, and if those machines have ipv6 interfaces, add them too, eg ip6:2a00:1c18:401:c00::1 > I wouldn't need an "include:" or "ptr" statement in this right? I would > told "include:" was to include OTHER domains that are allowed to send "include" is to include other domains SPF records, not plain other domains. > e-mail, but then again I see some people writing the domain again as an > include. Also is PTR good to use or not? > PTR depends on situation, but in your case, not needed.
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