Coming soonLand in the inbox.
Land in the inbox.
Not the spam folder.
Dedicated IPs, unlimited warmup, and AI built in, everything cold email needs to land.
Join the waitlist
Everyone gets 1 month free at launch.
No spam. Just early access.
No shared infrastructure
Every plan runs on its own dedicated IPs in a fully isolated environment.
Self-serve setup
Sign up and start sending in under 15 minutes, no setup calls required.
Nothing is capped
Warmup, validation, and placement tests run without limits, always.
Part of BoxSuite
Cold email that lands where it counts.
Sendbox gives every plan dedicated IPs in an isolated environment, with warmup, validation, and placement tests that are never capped.
- High deliverability
- Smart infrastructure
- Better results