Versions:

  • 4.1.1-1
  • 4.1.0-1
  • 4.0.0-1
  • 3.18.0-1

Claws Mail 4.1.1-1 is a GTK+-based email client and newsreader designed for users who need a lightweight yet feature-rich desktop messaging solution without the overhead of larger suites. The program supports standard retrieval protocols such as POP3, APOP, and full IMAP, while sending is handled through SMTP with SMTP AUTH, and Usenet reading is possible via NNTP; additional connectivity is provided through LDAP address queries. A built-in address-book, SSL/TLS encryption, GPG signing and encryption, real-time spell-checking, and advanced filtering give it professional-grade capabilities, and the interface can be switched to any of dozens of supported languages through its i18n framework. Multiple accounts are managed from a single, tabbed window, and the functionality can be extended further through an official plugin collection that adds everything from calendar integration to PDF viewers. Because the executable remains small and memory usage minimal, the application is frequently chosen for older hardware, virtual machines, and Linux distributions that favor speed, yet it is equally at home on modern Windows workstations where users simply want mail that launches instantly and stays responsive even with thousands of messages. Four major release branches have appeared to date, with 4.1.1-1 representing the current stable line that refines GTK+3 support, improves HTML rendering, and updates security libraries. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources such as winget, always delivering the latest version, and supporting batch installation of multiple applications.

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