Free Email Tools
No-signup tools to test and fix your email deliverability. Built by the team that runs Sendhiiv's sending infrastructure.
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Sendhiiv vs Resend
An honest, up-to-date comparison — pricing at every volume, built-in mailboxes, and a 5-minute migration guide with code.
LiveSPF, DKIM & DMARC Checker
Test your domain's authentication records in seconds — including the SPF 10-lookup limit and DMARC policy strength — and get plain-English fixes.
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Email Blacklist Lookup
Check whether your domain or sending IP is listed on the major DNS blacklists.
Soon
DMARC Record Generator
Build a correct DMARC record step by step, from monitoring to full enforcement.