Cerberus FTP Server provides a secure and reliable file transfer solution for the demanding IT professional. Supporting SFTP and SCP, FTP/S, and HTTP/S, Cerberus is able to authenticate against Active Directory and LDAP, run as a Windows service, has native x64 support, includes a robust set of integrity and security features and offers an easy-to-use manager for controlling user access to files and file operations.
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Secure your company’s communications with Proton Mail — the business email solution trusted by over 50,000 organizations. With end-to-end encryption built in, your internal and external communications stay confidential by default. Proton Mail helps your business meet GDPR, HIPAA, and other compliance standards, while giving you full control over your data under strong Swiss privacy laws. Empower your team with encrypted email and calendar, support for your custom email domains, professional branding, and simple migration from providers like Google Workspace or Microsoft 365 — no IT team required.
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Courier
The Courier mail transfer agent (MTA) serves as a comprehensive mail and groupware server that utilizes widely recognized protocols, including ESMTP, IMAP, POP3, LDAP, SSL, and HTTP. Within a unified framework, Courier delivers a range of services, such as ESMTP, IMAP, POP3, webmail, and mailing list functionalities, allowing users to easily enable or disable specific components as needed. Recently, the Courier mail server has introduced fundamental web-based calendaring and scheduling features within its webmail module, with plans for more sophisticated groupware calendaring capabilities to come shortly. Notably, the source code for the Courier mail server is designed to compile on most POSIX-compliant operating systems that utilize Linux or BSD-derived kernels, and it can also be successfully compiled on Solaris and AIX systems, provided users utilize the appropriate freeware add-on tools from Sun or IBM. The development of the Courier mail server is rooted in a combination of several interrelated projects that converged into its current form, and it also incorporates SMTP extensions specifically aimed at enhancing mailing list management functionality. In this way, Courier not only serves as a versatile mail server but also as a collaborative tool for users seeking effective communication solutions.
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FreeIPA
Administer Linux users and client machines within your domain from a single, centralized interface, whether through a command-line interface, a web-based user interface, or remote procedure call access. Facilitate Single Sign-On capabilities across all your systems, services, and applications while establishing Kerberos-based authentication and authorization policies to safeguard your identities. Manage essential services such as DNS, SUDO, SELinux, and autofs efficiently. The solution encompasses a comprehensive security information management framework that integrates various components, including Linux (Fedora), 389 Directory Server, MIT Kerberos, NTP, DNS, and the Dogtag certificate system, among others. This platform is built upon well-established open-source technologies and adheres to standard protocols to ensure reliability and security. FreeIPA not only provides a web interface and command-line tools for administration but also streamlines user management and enhances system security across distributed environments. By utilizing such an integrated approach, organizations can maintain robust security measures while simplifying user access management.
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