The new versions of Claws Mail 3.19.0 and 4.1.0 have already been released

Recently the launch of the new versions of the light and fast mail client Claws Mail 3.19.0 and 4.1.0, which in 2005 was separated from the Sylpheed project (from 2001 to 2005 the projects were jointly developed, Claws was used to test future Sylpheed innovations).

For those who are unaware of Claws Mail, you should know that this is a GTK+ based email client and newsreader, free and open source that is distributed under the GPL. It offers easy setup and abundant features. Stores mail in the MH mailbox format and also the Mbox mailbox format via a plugin.

Appearance and interface are designed to be familiar with the new users coming from other popular email clientsas well as with experienced users. Almost all commands are accessible with the keyboard.

The messages that are managed in the standard MH format, offer fast access and data security. The application allows you to import emails from almost any other email client and export them just as easily.

Claws Mail provides many features, including:

  • Search and filter
  • Security (GPG, SSL, anti-phishing)
  • Import / export from standard formats
  • External editor
  • Templates
  • Folding appointments
  • Preferences by folder
  • Face, X-Face support
  • Customizable toolbars
  • Theme support
  • Plugins

Main news in Claws Mail 3.19.0 and 4.1.0

In this new version that is presented, lThe 3.x and 4.x branches develop in parallel and differ in the version of the GTK library used: the branch 3.x uses GTK2, while the 4.x branch uses GTK3.

It has been implemented text scaling support in the message display interface. The scale is changed with the mouse wheel while holding down the Ctrl key or via the context menu.

The GtkColorChooser widget is used in the spell checker, color flag selection, and folder properties to select colors.

Moreover, it is noted that the parameter 'Default From:' was added to the folder properties to override the default address used when composing messages.

In addition to that, we can find that added option to folder properties to exclude a folder when checking for new and unread messages and that files with logs, history, and saved items now have permissions set to 0600 (read/write for owner only).

Of the other changes that stand out from this new version:

  • Added “Keyword Warner” plugin that displays a warning when user-specified keywords are found in the message.
  • Added 'By Sender' parameter to filter rules and message processing rules.
  • Added option to run processing rules before marking all messages as read or unread.
  • Added the ability to place a button on the toolbar to run folder processing rules.
  • In the list of links mentioned in the letter, it was possible to put addresses on the clipboard and select several links.
  • Phishing addresses are marked in red.
    Improved tag handling.
  • Improved storage of OAuth2 tokens.
  • “View All” button has been added to theme settings to preview all theme icons.
  • The term 'master passphrase' has been changed to 'master passphrase'.

Finally if you are interested in knowing more about it of these new versions, you can consult the details in the following link.

Install Claws Mail on Ubuntu

The new versions of the application are not yet in the Ubuntu repositories, so those interested in trying the new version can do so. downloading the source code and compiling. you can get the packages from the link below.

Now for those who want to wait Until it is updated in the Ubuntu repos, you can perform the installation just by running the command:

sudo apt install claws-mail

O well they can also opt for Flatpak packages, just open a terminal and in it we are going to type the following command:

flatpak install flathub org.claws_mail.Claws-Mail


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