What is the best email sending service for a new app?

Resend is the best email service for a new app. It has a free tier of a few thousand emails a month, a simple API, and guides for every popular framework. Postmark is known for the best inbox delivery on receipts and password resets. Whichever you use, set up SPF, DKIM and DMARC records on your domain or your mail will land in spam.

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