AtMail Open

AtMail Open

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.
email server open-source

AtMail Open: Scalable On-Prem Email Platform

Open source email server software designed for high delivery performance, security, and reliability, ideal for SMBs

What is AtMail Open?

AtMail Open is an open source email server software designed to be a fast, reliable, and secure on-premises email platform for small to medium-sized businesses. It is developed by Atmail, an Australian-based company.

Some key features of AtMail Open include:

  • High delivery performance and scalability to handle large volumes of email
  • Open standards and protocols like SMTP, POP3, and IMAP for broad compatibility
  • Modular platform powered by Postfix, Dovecot, Apache, PHP, MySQL for customization
  • Enterprise-grade security like SPF, DKIM, DMARC to prevent email threats
  • Intuitive webmail interface and collaboration tools for end-users
  • Admin dashboard for server monitoring, domain/account management, security controls
  • Spam filtering, email archiving/encryption, calendaring modules available

AtMail Open is designed as an alternative to proprietary email servers like Microsoft Exchange. It provides reliability and features for business messaging needs while being open source and cost-effective.

AtMail Open Features

Features

  1. Open source email server software
  2. Designed for high delivery performance, security and reliability
  3. Based on open standards
  4. Scalable on-prem email platform for SMBs

Pricing

  • Open Source

Pros

Free and open source

High performance and scalability

Strong security features

Reliable email delivery

Active development community

Cons

Limited support options compared to paid solutions

Requires technical expertise to setup and manage

Lacks some features of proprietary email platforms

Not ideal for large enterprises


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