Claws Mail como alternativa Linux a Thunderbird

Actualizado el 22 de octubre de 2026

Nuestra opinión

Claws Mail is a strong replacement for users who prioritize speed, keyboard control, and lightweight resource usage over graphical polish. It handles core IMAP/POP3 email, RSS, and Usenet well. However, it is not ideal for heavy calendar users or those needing built-in chat, as these require plugins or separate apps. If you want a fast, stable, text-centric workflow and do not mind configuring plugins, it is a solid choice. If you rely on Thunderbird’s integrated chat and rich calendar UI, you will feel a gap.

Cobertura de funciones75%

Licencia: GPL-3.0-only
Precio: Gratis
Última versión: 4.4.0 (9 de marzo de 2026)
Valoración: —

Instalar Claws Mail Sitio oficial ↗

Captura de pantalla de Claws Mail — The main window

Lo que funciona igual

Free, open-source (GPL-3.0-only) email client
Supports IMAP, POP3, and Usenet protocols
Extensible via plugins for RSS and calendar
Supports multiple accounts and folder structures
Includes built-in spam filtering capabilities

Lo que cambia

No built-in chat support (IRC/XMPP/Matrix) unlike Thunderbird
Calendar functionality is plugin-based and less integrated
Cannot compose HTML emails, only plain text
Uses MH mailbox format instead of Thunderbird’s internal storage
Interface is more keyboard-centric and less visually modern

Abrir tus archivos de Thunderbird

Claws Mail supports importing emails from most other mail clients, including Thunderbird. You can typically import Thunderbird’s mbox files directly. For exporting, Claws Mail allows exporting messages to standard formats, making it easy to move data back to Thunderbird or other clients if needed.

Pasar de Thunderbird a Claws Mail, paso a paso

Install Claws Mail via your package manager or Flathub
Export your Thunderbird mailboxes as mbox files
In Claws Mail, use the import tool to select the mbox files
Configure your IMAP/POP3 accounts with existing credentials
Install required plugins for RSS or calendar if needed
Test sending and receiving to ensure settings are correct

Funciones clave de Claws Mail

Almacenamiento de buzones en formato MH para acceso rápido
Operación centrada en el teclado con soporte completo de atajos
Sistema de complementos para RSS, calendario y protocolos adicionales
Múltiples cuentas y árboles de carpetas
Filtro de spam integrado (integración con SpamAssassin)
Conversaciones temáticas y búsqueda potente
Soporte para editores externos al redactar correos en texto plano
Importación/exportación desde la mayoría de otros clientes de correo

Cómo instalar Claws Mail en Linux

Flatpak (Flathub)flatpak install flathub org.claws_mail.Claws-Mail

Ubuntu / Mintsudo apt install claws-mail

Debiansudo apt install claws-mail

Fedorasudo dnf install claws-mail

Arch / Manjarosudo pacman -S claws-mail

openSUSEsudo zypper install claws-mail

Preguntas frecuentes

Can I use Claws Mail for calendar events?

Yes, but you must install the calendar plugin. It is not as integrated or feature-rich as Thunderbird’s built-in calendar, so power users may prefer a dedicated calendar app.

Does Claws Mail support HTML email composition?

No. Claws Mail can read HTML emails via plugins, but it only composes plain-text messages. This is a design choice to keep the client lightweight and fast.

Is Claws Mail good for beginners?

It has a familiar interface, but its keyboard-centric design and plugin-based extras may have a steeper learning curve than Thunderbird for users who prefer click-heavy workflows.