MailEnable
MailEnable is a Windows based mail server and email server program that is packed with the state of the features and functions like antivirus and spam filtering system, webmail management system, cardDAV, CalDAV and much more.
18 Alternatives To MailEnable
Citadel
Is a collaboration suite (messaging and groupware).
EmailSuccess
EmailSuccess is an advanced MTA built to handle the most critical reliability, performance, security, and deliverability requirements.
Gmail
Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.
Kerio Connect
KerioConnect is a commercial mail and groupware server.
MDaemon Email Server
MDaemon Secure Email Server for Windows - MS Exchange alternative; POP3, SMTP, IMAP email server featuring web mail with spam protection.
Microsoft Exchange Server
Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.
Outlook
Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
ProtonMail
Secure email with absolutely no compromises. Get your free encrypted email account today.
Symantec Critical System Protection
Symantec Critical System Protection is a flexible and compact behavioral security engine built with application whitelisting infused with anti-exploits for managed or standalone IoT devices.
Zimbra Collaboration Suite
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more.