Does every email platform handle SPF the same way?
Myth: False. Different email platforms handle SPF differently in terms of what needs configuration. Some ESPs handle authentication automatically; others require manual DNS configuration.
The SPF standard itself is consistent, but implementation varies. Some platforms send from their domains (requiring no SPF changes for you). Others send from your domain (requiring SPF includes).
Understand your ESP's authentication model. Follow their specific setup documentation. Test to verify authentication passes regardless of what you expect based on other platforms.
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