Update: I just looked at another record and guessed what it wanted to see. I ended up with "v=spf1 include:_[my_smtp_server] ~all" and hey, it worked. I app

Update: I just looked at another record and guessed what it wanted to see. I ended up with "v=spf1 include:_[my_smtp_server] ~all" and hey, it worked. I appreciate this doesn't fix the Hotmail issue, but just wanted to share in case anyone else can use this.