EHLO – Mail Server Tester

EHLO is the mail tool for everyone who runs mail servers: it checks whether a domain is properly protected against forged senders, tests SMTP servers all the way to a delivered test message, and explains why a message ended up in spam. All in plain language instead of raw data. CHECK A DOMAIN • MX, SPF, DKIM, DMARC, MTA-STS, TLS reporting and BIMI at a glance, with a rating for each • Every finding in one clear sentence, plus a concrete hint on what to improve • SPF: counts DNS lookups across all “include” entries and warns before the limit of 10 • DKIM: tries the common selectors by itself, and you can enter your own; warns about short or revoked keys • MTA-STS: loads the policy and checks that it covers all mail servers • The DNS records found, verbatim, to copy and share BLOCKLISTS AND REVERSE DNS • Checks a domain's mail servers and the domain itself against 16 DNS blocklists •…