Tools
Free email deliverability tools.
Small utilities for people who send email. No account, and nothing kept beyond a short cache.
- Free · no sign-up
Bulk sender requirements checker
Grade a domain against the Gmail, Yahoo and Outlook bulk-sender rules: SPF, DKIM key size, DMARC, reverse DNS, and — from pasted headers — the RFC 8058 one-click unsubscribe headers nobody else checks.
Open the bulk sender requirements checker → - Free
Email marketing cost calculator
Compare what a list of your size costs per month across SendBeam and the usual suspects, including multi-site setups.
Open the email marketing cost calculator →
Start
Start with the site you run today.
Free to start, no card, no trial clock. Each site keeps its own domain, list and rules; you add the next one as a workspace whenever you launch it.
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