48+ Best Linux Mail Client Reviews. Thunderbird is the most popular linux mail client, and for good reason. I have used it a lot during my unix sessions to configure.
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Here are ten of your options. Claws mail is a really great email client currently available for linux. Mailspring is a desktop linux email client with a wide range of modern features, such as a unified inbox, a snooze option, different reminders, templates, offline search, and others. I know there are lots of email clients for linux and sometimes.