Gmail
Gmail is the most popular email service on the planet with more than 1.2 billion users worldwide. It came into being in 2004 and quickly became famous. Gmail has a user-friendly interface, simple design, strong protection from viruses and spam. Moreover, it is integrated with different Google services as well. Some of its features worth mentioning are its inbox size of 15 GB storage space and its max file attachment size of 25 MB.
Outlook.com
Previously known as hotmail.com, in 2012 it was rebranded to Outlook.com. It is a part of Microsoft’s web-based suite which includes; webmail, contacts, tasks, and calendaring services, and perhaps Gmail’s biggest western competitor. Today, over 400 million people use Outlook.com, with some of them using it to get the most out of Skype, other Microsoft products, and platforms like Xbox and Windows.
Outlook.com, unlike numerous other popular free email services, does not monitor the data of users’ emails for the aim of advertising. Outlook.com has an inbox size of about 15 GB and has an attachment size of 10 MB.
Yahoo Mail
Yahoo Mail is one of the first popular email systems, which took over the customers’ choice for internet email services in 1997. The most recent version includes a minimalist online interface, keyboard shortcut functionality, and a slew of additional features that make it a fantastic free email service.
The best thing about Yahoo Mail is that it provides all users with 1 TB of free mailbox storage space. Certainly, it is by far the largest you can get on any free email service. It also provides an attachment size of up to 25 MB.
Proton Mail
ProtonMail was founded in 2014 and what sets it apart from other popular email services is its care about the privacy and security of its users. ProtonMail doesn’t allow corporations to take advantage of your personal data. It is a productivity-oriented email client and is also simple to use. It is end-to-end encrypted, has an inbox size of 500 MB and an attachment size of 25 MB.
GMX Mail
GMX or global mail exchange is another popular free email service. What makes it stand out is its limitless mailbox size and its huge attachment size of 50 MB. It also comes in 4 languages: German, English, Spanish, and French. GMX feature a huge attachment size, which means that you will no longer have to worry when sending large files or documents.