Lightweight

Claws Mail is known for its small footprint, making it a good choice for users with limited system resources or those who prefer a faster, more responsive email client.

Customizable

It offers a high degree of customization through its configuration options and plug-in architecture, allowing users to tailor the email client to their specific needs.

Fast Performance

The application is optimized for speed, allowing for quick loading times and efficient handling of large amounts of email data.

Open Source

Being open-source software, Claws Mail provides transparency, plus the ability for any user to audit, modify and contribute to its code base.

Robust Filtering System

It includes powerful filtering capabilities which help users manage and organize incoming emails efficiently.

Active Community

The application benefits from an active user and developer community which can be a helpful resource for troubleshooting and feature suggestions.