Best Mail Servers for Gmail

Business-class email and calendaring make it easier to work smarter. Exchange allows you to collaborate on critical documents and gives an organized inbox that prioritizes important messages. It adapts to your work style and adapts to your needs so you can get more done faster. Access to a personalized inbox with helpful features, a smarter way to view and interact via email and a smarter way to organize it. Search enhancements provide faster and more complete results. Add-ins allow for powerful customization and extensibility that connects you to modern services as well as internal line-of business applications. A calendaring system that does more than just schedule appointments and make commitments will help you organize your time. Automatically capture events such as hotel reservations and flights from email. Get suggestions based on where you are located about where to meet. Microsoft 365 offers many benefits that can help you and your company be more productive.

Secure, enterprise-style email and collaboration without the high price. Kerio Connect offers all the functionality and features for collaboration and messaging without the complexity or high price tag of other systems. Email integration includes shared calendars, scheduling, contacts management and tasks. It also integrates with instant messaging and shared folders. Microsoft ActiveSync allows you to sync messages directly to your mobile device. Instant Messaging can be used from any 3rd party chat/IM application on mobile and desktop. Kerio Connect can be installed in just 10 minutes. Users can also be up and running in as little as 10 minutes. Kerio Connect is available on-premises and in partner-hosted cloud environments. You can deploy for Mac, Windows, and Linux users. Full support for Outlook (Windows, Mac), and many other IMAP and POP compliant email client.

KingSMTP (formerly known as Kingmailer, founded in 2017) is a simple and fully featured mail server / SMTP service for use by anyone, not just developers. Start sending, receiving or routing your emails with a few clicks.

SmarterMail is the ideal Microsoft Exchange alternative. First, it's the only business email server on the market that offers native support for the protocols that power Exchange: MAPI, EWS, and EAS. It does this without the need for any additional software or plug-ins for Microsoft Outlook or other clients -- desktop and mobile! Best of all, it offers all of the features of Exchange, but at a FRACTION of the cost. In addition, features like audio and video group chat, and Online Meetings for team meetings and group collaboration are included at no extra charge. It's designed to provide the functionality businesses need, without sacrificing secure, reliable access to business, and personal, communication.