Glossary
Related glossary terms
Rate limiting is the practice of controlling how many requests a client can make to a server within a certain timeframe. In the email world, it most often applies to email APIs or SMTP connections, where it prevents users (or bad actors) from flooding systems with traffic.
It’s like the bouncer at a club: only a set number of people can enter at once, and everyone else has to wait their turn.
Why it matters:
Rate limiting protects:
Note: Mailgun applies rate limits to ensure consistent performance and protect shared infrastructure.
Warming up an IP? You’ll be working with rate limits to slowly scale your sending volume.
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