Skip to content
Documentation
Guide

Guide

In-depth guides for each smtp-probe feature.

DNS Record Generator
Generate and verify SPF/DKIM/DMARC records in-browser
Domain Health Check
SPF, DKIM, DMARC, MX, PTR diagnostics
SMTP Verification
Verify mailbox existence via RCPT TO
IP Pool Management
Multiple IPs with auto-failover
Blacklist Scan
Check against 29 RBL blacklists
Disposable Email Detection
Detect temporary email providers
Multi-Node Deployment
GeoIP routing across regions
HTTP API
RESTful JSON API usage guide
Latency Probe
Measure SMTP connection latency