
If you’re looking for a reliable and affordable email service provider, there are plenty of great options available. Email service providers are a necessary part of any business. With the ever-growing popularity of online communication, businesses of all sizes have realized the importance of having a reliable email service. They allow you to send and receive messages with your customers, as well as keep your employees in communication.
There are many different email service providers to choose from, but which one is right for you? Here is a list of the top ten free email service providers for your business:
What is an Email Service Provider(ESP)?
Email service providers (ESP) provide a web-based email interface for their customers. This allows users to access their email from any computer with an internet connection. The most common type of ESP is a webmail provider. These providers offer users a custom domain name (e.g. username@customdomainname.com) and allow them to send and receive emails using their web browser.
There are also many third-party email apps that allow you to connect your own email account with the app, so you can access it from anywhere. Popular examples include the Gmail app, the Outlook app, and the Apple Mail app.
Some providers offer only basic services, while others have more advanced features. Some providers are free, while others charge a fee. You should also consider the size of the company and its reputation.

Gmail
Gmail is a free email service provider offered by Google. With Gmail, you can create an account with up to 15 GB of storage space. You can also create custom addresses for your email account, such as Yourname@gmail.com. Gmail also offers a number of features, such as spam filtering, labels, and filters that allow you to organize your emails. Additionally, you can use Gmail to access other Google services, such as Google Calendar and Drive.
- Mailbox Size: 15 GB
- Attachment Size Limit: up to 25 MB
Outlook
Outlook is an email service provider that was Launched on July 4, 1996. It is one of the most popular email providers in the world and is used by businesses and individuals all over the globe. Outlook provides users with a variety of features, such as a calendar, task manager, and contact list. It also allows users to send and receive emails from other email providers, such as Gmail and Yahoo! Mail. Outlook is available as a desktop application and as a mobile app.
Mailbox Size: 50 GB
Attachment Size Limit: up to 34 MB
Yahoo! Mail-Yahoo!
Yahoo! Mail-Yahoo! is an email service provider. It was launched on October 8, 1997, by Jerry Yang and David Filo and is headquartered in Sunnyvale, California. Users can access their emails through the Yahoo! Mail website or through a mobile app. Yahoo! Mail has over 225 million monthly active users as of October 2017.
Mailbox Size: 1 TB
Attachment Size Limit: 25 MB
Zoho Mail
Zoho Mail is a web-based email service provider that offers users a variety of features, such as storage, customizable spam filters, and the ability to create and send newsletters. It also integrates with other Zoho applications, such as CRM, Projects, and Sheets. This allows users to manage their email correspondence and other tasks within one platform. Additionally, Zoho Mail offers a mobile app for Android and iOS devices.
Mailbox Size: 100 GB
Attachment Size Limit: 20 MB
ProtonMail
ProtonMail is a Switzerland-based encrypted email service provider, founded in 2013 by Andy Yen, Jason Stockman, and Wei Sun. The company has been praised for its security features, which include end-to-end encryption, perfect forward secrecy, and support for Tor. ProtonMail also employs a zero-knowledge policy, meaning that the company does not have access to user data.
Mailbox Size: 20 GB
Attachment Size Limit: 25 MB
AOL Mail
AOL Mail is an email service provider that has been around since the early days of the internet. It was one of the first services to offer email addresses to users and has remained a popular choice over the years. AOL Mail offers a variety of features, including spam filtering, virus protection, block mail senders, support for multiple email addresses, and a customizable interface. The service also provides access to many free online storage (unlimited) spaces for users’ emails and files.
Mailbox Size: Unlimited
Attachment Size Limit: up to 25 MB
iCloud Email
Email is a necessary part of today’s society. It’s hard to imagine a world without it. For most people, their email is hosted by their email service provider (ESP). There are many ESPs to choose from, but one of the most popular is iCloud Email.
iCloud Email is a service offered by Apple that allows users to access their email from any device, anywhere in the world. All you need is an internet connection and an iCloud account.
Mailbox Size: 5 GB
Attachment Size Limit: up to 20 MB
GMX
GMX is an email service provider that has been around since 1997. It offers users a variety of features, including 65 GB of storage space, the ability to send attachments up to 50 MB in size, and a spam filter. In addition, GMX also allows users to create custom email addresses with their own domain name.
Mailbox Size: 65 GB
Attachment Size Limit: up to 50 MB
Yandex Mail
Yandex Mail is a Russian webmail provider that offers users 10 GB of storage and a host of features, including the ability to send messages in Cyrillic. It also has a number of unique features not found on other providers, such as the ability to quickly search through your entire email archive and view messages that have been sent or received within the past seven days.
Mailbox Size: 10 GB
Attachment Size Limit: up to 30 MB
GoDaddy
GoDaddy is a web hosting and email service provider. It was founded in 1997 by Bob Parsons. GoDaddy is the largest domain name registrar in the world, with over 61 million domains under management. It also offers other services such as website design, online marketing, and SSL certificates.
Mailbox Size: 10 GB
Attachment Size Limit: up to 30 MB
Conclusion
There are many great email service providers available for free. If you are looking for a reliable and user-friendly option for your business, any of the providers on this list would be a good choice. However, it is important to do your research and find the provider that best suits your needs.