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How to check your IP reputation

Your IP represents the sending environment, typically a shared IP owned by your email service provider (ESP). Knowing the sending IP reputation gives insight into the reputation of your ESP, which directly influences connection-level blocks and sending delays. In other words, a poor IP reputation means more bounces and slower delivery.

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Announcing our community writing program

As with our core product, the Postmark blog aims to be an invaluable resource for developers who want to design, send, and receive better and more reliable emails with their applications. To support this goal, we’re looking for writers who can contribute technical content to our blog.

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From , the team behind Postmark


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