The work between Send and Inbox.
Mail lands because the route is earned: authenticated domains, gradual warmup, automatic suppressions, and a trust engine watching every send.
DKIM · SPF · DMARC · Warmup · Suppressions — every plan
Your domain, provably yours.
DKIM signs every message, SPF authorizes the route, DMARC tells the big inboxes what to do with pretenders. Drin verifies all three through one-click DNS setup — most registrars need a single confirmation screen, not a DNS spelunking session.
One detail we sweat that most providers don't: Drin mints a unique DKIM selector for every domain. Providers that pin one fixed selector for all customers leave a trap — if your domain ever lived in another account, the stale key sits at the same DNS name, collides with the new one, and verification wedges while dashboards show green. Unique selectors make that collision impossible.
A fresh selector per domain — recycled domains can never collide with a stale key.
Authorized routes and an enforcement policy, verified together — not left as homework.
Domain Connect pushes the records through your registrar in one confirmation screen.
Reputation, earned on a ramp.
Fresh domains start modest and grow as clean delivery proves them. The trust engine watches bounces and complaints in real time and pauses the ramp before trouble reaches the big inboxes. Migrating real volume on a paid plan? The floor is plan-aware — no toy limits for proven senders.
The mistakes you can't make twice.
Hard bounces and complaints land on the list instantly — the next send already knows not to try.
Every marketing send carries the one-click header, scoped to its topic — readers leave a list, not your product.
Drin carries permission-based mail. No cold-email tooling, no purchased lists — that protects every sender here.
We publish no deliverability percentage. Ask us how we earn the inbox instead.
Any percentage you see on an email provider's homepage was measured on someone else's mail, sent to someone else's list. Yours will differ. What we can show you is the machinery — authentication, warmup, suppression, the trust engine — and your own live numbers on your own dashboard, which are the only ones that matter. Ask us anything →