Claims Mail: the light and powerful mail client for Linux

Introduction to Claims Mail

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Laws Mail is a GTK +-based email client who stands out for its low resource consumption and high configuration. Although born in 2001 as a branch of Sylpheed, it has evolved into a mature and stable solution for Linux users who value the speed and freedom of free software. Its classic interface reminds desktop customers of the 1990s, but under that appearance a powerful engine is hidden capable of handling multiple accounts, advanced filtering and a wide range of plugins.

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Main characteristics

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  • Support for POP3, IMAP and SMTP, including TLS / SSL.
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  • Filtering messages through configurable rules and Bayesian spam learning.
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  • Management of multiple boxes and folders with drag and drop.
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  • Conversation view and reading mode without distractions.
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  • Integration with external address bookstore (LDAP, vCard, Google Contacts).
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  • Plugins for calendar, OpenPGP encryption, desktop notifications and more.
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  • File and compression of folders in Maildir or mbox format.
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  • Fully customizable interface using GTK themes and keyboard shortcuts.
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Advantages to other customers

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While many modern customers consume a lot of RAM and depend on heavy frameworks, Laws Mail maintains a memory consumption of less than 50 MB in typical use. This makes it ideal for old equipment, netbooks or servers without heavy graphic environment. In addition, your GPL license ensures that anyone can inspect, modify and redistribute the code without restrictions. The active community behind the project ensures frequent security updates and the incorporation of new features without losing the philosophy of lightness.

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Basic installation and configuration

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  1. In Debian / Ubuntu distributions:sudo apt install claws-mail.
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  3. In Fedora:sudo dnf install claws-mail.
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  5. In Arch Linux:sudo pacman -S claws-mail.
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  7. After installation, runclaws-mailfrom the menu or terminal.
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  9. Configuration Assistant: add your email address, choose the server type (IMAP / POP3) and enter your credentials.
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  11. Select the encryption method (STARTTLS or SSL / TLS) and the port recommended by your supplier.
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  13. Finish the wizard and start synchronizing your folders.
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Advanced personalization

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One of the greatest strengths of Laws Mail is its plugin system. You can install extensions likeclaws-mail-plugin-pgpto encode and sign messages with OpenPGP,claws-mail-plugin-vcalendarto manage appointments and tasks; orclaws-mail-plugin-spamreportto send spam to services like SpamCop. In addition, the client allows to create complex filters using a visual interface that combines header, body and size conditions. Advanced users can edit the file directly~/.claws-mail/accountrcto adjust parameters not exposed to the GUI, such as the connection waiting time or the maximum number of download threads.

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Security and privacy

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Claims Mail does not collect usage data or send them to external servers. All mail remains locally stored, which eliminates cloud exposure risks. The native support for TLS / SSL ensures that communication with mail servers is encrypted. For those who require additional anonymity, it is possible to tunal the connection through Tor or use a SOCKS proxy configured in the network options. The combination of end-to-end encryption using OpenPGP and the ability to safely delete deleted messages makes Laws Mail a solid option for journalists, activists and anyone who values the confidentiality of their communications.

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Conclusion

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In an ecosystem where mail customers tend to be increasingly heavy and dependent on online services, Laws Mail recalls that efficiency, freedom and customization remain valid values. Its low resource consumption, wide range of plugins and commitment to free software make it an attractive alternative for both home users and professionals who need a reliable and secure customer. If you're looking for a mail manager that respects your hardware and privacy, it's worth giving a chance to Laws Mail.

This work is under aCreative Commons License Attribution 4.0 International for Francesc Roig francesc @ vivaldi.net.

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