Email API Rate Limits & Fair Use on Free Plans
Daily send caps, burst limits, and how legitimate products stay well under abuse thresholds. Learn email API rate limits in plain language.
Free tiers protect shared reputation. Product mail to opted-in users rarely hits limits; cold outreach belongs nowhere near your product domain.
Quick summary
- What email API (a way for your app or website to send email automatically) rate limits & fair use on free plans means for your business
- Why personal email (@gmail.com) holds you back
- What to set up on your domain (in plain language)
- How to get started free with OquMail
When an email API helps
Use an API when your product sends receipts, alerts, or onboarding messages automatically. Keep a normal inbox on the same domain so customer replies reach your team.
In plain English
An email API lets your product send receipts, password resets, and alerts automatically. You still want a normal inbox on the same domain so replies from customers land where your team works.
Practical next steps
- Set up business email on your domain first
- Create an API key in the admin panel for your app or script
- Send test messages to yourself and inspect delivery logs
- Use a no-reply key only when you truly do not need replies
Mistakes to avoid
- Using a personal @gmail.com or @yahoo.com address for client work
- Skipping DNS security records (SPF, DKIM, DMARC) and wondering why mail goes to spam
- Forwarding domain email to Gmail instead of using real mailboxes
- Letting former employees keep the only password to a shared inbox
Common questions
How long does email api rate limits & fair use on free plans take for a small business?
Most teams finish domain connection and first mailboxes in under an hour. DNS propagation is often minutes; in rare cases wait up to 24–48 hours. OquMail shows live verification so you know when you are ready.
Do I need technical experience to set up business email?
No. If you can log into where you bought your domain and paste a few lines of text, you can set up professional email. OquMail guides you step by step and verifies when DNS is correct.
Can my small team use business email for free?
Yes. OquMail's free plan includes up to 15 mailboxes on your own domain with webmail, guided SPF/DKIM/DMARC setup, and a transactional email API — no credit card required.
Get business email on your domain — free
Up to 15 mailboxes, guided SPF/DKIM/DMARC, webmail, and a transactional API. Most teams are live in under fifteen minutes — no IT background required.
Get started free