Sea-salt security. Lime twist.

Email, lightly
carbonated.

Real fizz beneath a calm surface — bubbles that work for you, never against you. AI drafts that pop only on your cue, one-tap replies, and every Gmail account chilled in one tall glass.

50%
Time, Re-Fizzed
10k+
Soda Society
99.9%
Always Crisp

Help with actual fizz

Every bubble rises the same way — your authority, your data, your record.

01
AI Drafts

Drafts, Freshly Poured

AI shakes up each draft in your voice, then waits for your nod before the cap comes off. Nothing goes flat, nothing ships early.

Pour a Draft →
02
Smart Replies

One-Tap Replies

Three sparkling options for every thread. One tap — bright, professional, on the record.

Fizz a Reply →
03
Unified Inbox

One Tall Glass

Every Gmail account chilled in a single workspace. Clean switching, the whole view, zero spills.

Fill Your Glass →

Calm surface, deep current

The fizz is for you; the discipline runs far below. PostOptimist routes everything only through Google's trusted APIs, and serves nothing half-sealed.

  • Google OAuth sign-in — we never see your password
  • End-to-end encryption on every message
  • Zero retention — nothing of yours sits in our tanks
Google OAuth
End-to-End Encryption
Zero Retention

Every pour, perfectly chilled

Consultants, students, founders, and everyone in between — the fizz holds for all of them.

Business Professionals

Client trust, on ice

"Emails as crisp as the first sip of the day."

Students & Researchers

Academic tone, crystal clear

"Notes to my supervisor that read sparkling clean."

Freelancers

Every client, its own bottle

"Six inboxes, one glass, nothing watered down."

Everyday Users

Peace of mind, bottomless

"I stopped double-checking. It stays crisp all day."

Pour yourself one.

Join 10,000+ members of the soda society who trust PostOptimist with their correspondence. Protected data, human support, free to begin.

Grab a Glass — Free