Email Deliverability Test

Send a real email to the address below. We analyze authentication (SPF, DKIM, DMARC), content (SpamAssassin), blocklists and reverse DNS, then score your setup out of 100. Nothing is stored, your message is analyzed in memory and immediately discarded.

1. Send any email to this unique address

generating…

2. Then come back here, your report appears automatically.

Prefer a check without sending? Use our Authentication Checker (by domain) or the SPF & DMARC generator.

Data · Email checker · Email verifier · Blocklist checker · Blocklists explained · Widget

Built & updated automatically by MailTester Ninja, the email verifier that stores nothing. DNS-only, aggregate data, no personal information. · JSON API · RSS