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Email delivery rate improvement (SPF)

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For a browser game, password reminder/recovery option. The emails are sometimes/frequently not delivered due to my poor setup :) So, I started to learn abut all the SPF, DKIM and other monsters and try to grasp how it all works :)




How to setup "SPF"?


Let's say you have a domain of you server ( that runs the script and another domain for your game (

I understand you first need to create an email (, then you need to add "SPF MX record" to the DNS?

Like this: TXT = "v=spf1 mx -all"? Or the orther way add TXT = "v=spf1 mx -all" to the DNS?


I'm not sure I grasped how it works :D

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