Check the domain-level problems that commonly damage email delivery — SPF, DMARC, detectable DKIM, and blocklists — then let Beacon watch for changes. No account needed.
Four important signals that can damage authentication, reputation, and delivery.
Verifies only authorized servers can send email from your domain.
Tells inbox providers what to do with email that fails SPF/DKIM checks.
Cryptographically signs your email so providers know it's really from you.
Checks your mail server IP against 4 major spam blacklists.
One-time checks are fine. Knowing the moment something breaks is better.
Doing your own cold outreach? Grab Beacon Outreach Sender — a free Windows app for sending campaigns through your own SMTP accounts, no signup required.