Home What are some of the popular e-mail clients? byArup Mandal •November 13, 2019 0 What are some of the popular e-mail clients? There are many e-mail clients (those that are software-based, not online) available for users today. The following list contains some of the most popular clients, and some of these are free to use. Mozilla Thunderbird DreamMail Microsoft Outlook Mail for Windows 10 Mailbird eM Client Facebook Twitter