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Postbox

Powerful email management for professionals

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About Postbox

Postbox is a desktop email application for Windows and macOS focused on organisation, with quick topics, focused views and powerful search. It is sold as a one-time license and targets professionals who live in email and need fast triage across many accounts. Overall, it is built for people who want that kind of job done reliably, without unnecessary complexity, steep learning curves or heavyweight software getting in the way of everyday work.

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About the Communication & Collaboration category

Chat, video meetings, and messaging apps that keep teams connected. The Communication & Collaboration category on Tools Hub currently lists 329 tools. Alongside Postbox, it includes The Bat!, Claws Mail, Sylpheed, K-9 Mail.

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More in Communication & Collaboration

Comparing tools in the Communication & Collaboration category? These related listings are worth a look: The Bat! — Secure email client with encryption built in; Claws Mail — Fast, lightweight email and news client; Sylpheed — Lightweight email client focused on simplicity.

TCommunication & Collaboration

Secure email client with encryption built in

Paidemailsecuritywindows
CCommunication & Collaboration

Fast, lightweight email and news client

Freeemaillightweightopen-source
SCommunication & Collaboration

Lightweight email client focused on simplicity

Freeemaillightweightjapanese
KCommunication & Collaboration

Open-source email for Android, now Thunderbird

Freeemailandroidopen-source
FCommunication & Collaboration

Privacy-first Android email, fully offline capable

Freemiumemailandroidprivacy
CCommunication & Collaboration

Secure email with PGP and AI assistance

Freemiumemailencryptionapple