RainmailAll guides

How to Set up transactional email

Here is how to set up transactional email.

The steps

Use a dedicated stream and API, authenticate fully, keep content plain, and handle delivery webhooks for retries.

The foundation

How Rainmail helps

Rainmail sends from your own domain on a dedicated, isolated IP with SPF, DKIM, DMARC, reverse-DNS and managed warm-up handled for you, plus a REST API and an AI watching deliverability — and it welcomes senders SES, SendGrid and Mailchimp reject, from $8. Run the free checker or see plans.

Is your email landing in the inbox?

Check your domain free in 10 seconds — or let Rainmail set it up and make your mail land.

Run the free checker →See plans