SUPPORT

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We're a small team that cares about every developer using Lettr. Reach out — we typically respond within a few hours.

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Documentation

Guides, API reference, and examples to help you integrate quickly.

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Common questions

How do I set up SPF and DKIM? How do I get started with Laravel? How does template sync work? Can I send via SMTP instead of API? How do I set up a custom tracking domain? What are the API error codes?

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