Build on trusted email infrastructure.

Eliminate fake users, protect your SMTP sender score, and run deterministic RFC 5321 mailbox verification in sub-140ms.

WORKSPACE PROVISIONING PIPELINE

INSTANT

Free Sandbox Credits

100 CREDITS

Live Port 25 SMTP Handshake

ACTIVE

100K+ Burner Domain Firewall

SYNCHRONIZED

REST API & SDK Access

bl_live_*

No Credit Card Required•Instant API Keys•Sub-140ms Latency

100 Free Credits Included

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