On Mon, 2004-03-08 at 11:37, Ilan Aisic wrote: > I was more worried about whether I should implement support for it in > my DNS and if so, how to handle all the cases when people with legit > email at my domain (pointer.co.il) hook up with their ISP from home > (like I do right now) and identify themselves with their work email.
Setting up authenticated SMTP or POP-before-relay would be the best solution. That way, you can just publish a single server in your SPF record. > In addition, when I sometimes travel, I use temporary mail servers to > send mail but still use the POP server at pointer.co.il and identify > myself as [EMAIL PROTECTED] Without reading all the material about > SPF, it seemed to me that if I can't declare "-all" in the text record > of the DNS, I defeat the purpose of SPF. If you must use many other servers, then don't declare "-all". You're not defeating the purpose of SPF... your messages will be treated with more suspicion if sent through an unlisted host than if they were sent through a listed host. This will make it a little tougher for spammers who want to abuse your domain. (Although it'd be tougher still, if not impossible, if you published "-all") - Jon -- [EMAIL PROTECTED] Administrator, tgpsolutions http://www.tgpsolutions.com
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