SophiMail is described as 'Fully-featured email and collaboration server solving the most critical email issues: maximizes Privacy, Portability and Cost efficiency, Admin & User productivity. Ideal for private hosting on VM: on cloud, on premises or hybrid' and is a Mail Server in the office & productivity category. There are more than 25 alternatives to SophiMail for a variety of platforms, including Linux, Web-based, Windows, Self-Hosted and Mac apps. The best SophiMail alternative is Google Workspace. It's not free, so if you're looking for a free alternative, you could try mailcow: dockerized or SOGo. Other great apps like SophiMail are Zentyal, Zimbra Collaboration Suite, Kopano and Xibo.
Google Workspace delivers a cloud-based suite combining Gmail, Calendar, Meet & Drive to enhance collaboration through tools like Docs and Sheets. Offers secure storage options, custom domain emails, and robust management capabilities with 2FA and 24/7 support.
mailcow is a mail server suite based on Dovecot, Postfix, SOGo, Rspamd and other open source software, that provides a modern Web UI for administration.
Integrates native Active Directory and all essential network services, including domain, mail, gateway, infrastructure, and security roles, for SMBs, offering web-based management, centralized authentication, file server, VPN, and firewall in a single Linux platform.
SOGo is groupware server with a focus on scalability and open standards.
SOGo provides a rich AJAX-based Web interface and supports multiple native clients through the use of standard protocols such as CalDAV, CardDAV and GroupDAV.Share your calendars, address books and mails in.
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.
Kopano puts an email, video meetings, calendaring, and file sharing solution within one single interface.
Digital Signage for Everyone! Powerful Open Source Digital Signage content management system and Windows display player software. Download and run on your own web server for free.
hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the world.
Exchange business-class email helps increase user productivity while protecting your data. Get it as a hosted service or run it on your servers.
Axigen provides a multi-tenant, fully integrated, multi-platform, all-in-one email, calendaring and collaboration messaging solution. It grants extensive branding options and is localized in over 29 languages (including right-to-left writing mode).
Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.
The OX App Suite by Open-Xchange is web-based platform offering a suite of apps like an email client, calendar, contacts magement, cloud storage with synchronization and productivity apps for word processing, spreadsheets and presentations.
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