Email has no built-in way to prove who a message really comes from. So fraudsters impersonate your domain to invoice your customers, phish your staff and trade on your good name, and most businesses never find out until the damage is done. DMARCER shows you exactly who's doing it, and shuts the door before it costs you.
Email security isn't one switch - it's a handful of DNS controls working together. Here's what each one does, in plain terms. (We'll show you where your domain stands; fixing it is what the platform's for.)
The list of servers allowed to send on your behalf. Get it wrong and real mail bounces.
Learn moreA cryptographic signature that proves a message really came from you and wasn't tampered with.
Learn moreThe policy that ties it together and tells the world what to do with fakes - plus the reports that reveal who's impersonating you.
Learn moreForces inbound mail to your domain over encrypted connections, so it can't be quietly intercepted.
Learn moreReports when mail to your domain fails to arrive over an encrypted connection - your early warning that something is wrong.
Learn moreCryptographically signs your DNS so attackers can't forge the records your email security depends on.
Learn moreNo jargon, no homework. We'll show you exactly who can send mail as your domain today - and what's leaving you exposed.
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