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AtMail Open vs CTemplar

A side-by-side look at AtMail Open and CTemplar. For an in-depth review of either product, follow the links below.

AtMail Open

AtMail Open

Office & Productivity

AtMail Open is an open source email server software designed for high delivery performance, security, and reliability. It is based on open standards and is a scalable on-prem email platform for SMBs.

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CTemplar

CTemplar

Security & Privacy

CTemplar is an encrypted email service focused on privacy. It offers end-to-end encryption and many other security and privacy features. CTemplar is a good alternative for those seeking a secure and private email provider.

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