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Postbox vs Fastmail

Side-by-side comparison for macOS

Postbox

6.0
Communication

Email client focusing on privacy protection

Fastmail

7.0
Communication

Email client

Metric Postbox Fastmail
Category Communication Communication
AI Score 6.0 7.0
30-day Installs - 106
90-day Installs - 356
365-day Installs 79 1.1K
Version 7.0.65 1.2.1
Auto-updates Yes Yes
Deprecated No No
GitHub Stars 13
GitHub Forks 1
Open Issues 2
License
Language Python
Last GitHub Commit 4y ago
First Seen Jun 24, 2013 Oct 13, 2025

Reviews

Postbox

Postbox is an email client designed with a strong focus on privacy protection, making it ideal for users concerned about their email security. It offers features tailored to managing emails efficiently while safeguarding personal data.

Postbox is an email client that helps users manage their emails with privacy protection as a key feature.

Pros

  • + Strong focus on privacy protection
  • + Dedicated email client with potential for efficient email management
  • + Auto-updates for security and functionality

Cons

  • - Low GitHub activity and community support
  • - Unclear project health and future development

Fastmail

Fastmail is a robust macOS email client offering features like masked emails and seamless email migration. It's ideal for users prioritizing privacy and those looking to transition from other services.

Fastmail is an email client designed to manage email accounts with advanced features.

Pros

  • + Supports seamless email migration from services like Gmail
  • + Offers masked email addresses for enhanced privacy
  • + Regular auto-updates ensure the app stays current

Cons

  • - Some users have privacy concerns due to Fastmail's policies
  • - No mentions on Reddit, indicating less community engagement