Modoboa Alternatives [Page 3]

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Horde Groupware is a free, enterprise ready, browser based collaboration suite.

Warm up your cold email inbox, and never land in spam anymore!

Try for free freemium $9.0 / Monthly

Web App to manage only Postfix Aliases with a LARGE number of managed Domains (>hundreds).

NetWin SurgeMail is a best in the class webmail server for all kind of users from beginners to the professional one.

SquirrelMail is a standards-based webmail package written in PHP.

Open Source

Self-hosted server for the ProtonMail client.

Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.

Microsoft Exchange Server is a messaging and collaborative software product developed by Microsoft.

It includes numerous features not in the GPL version (like script installers, resellers, HTML editor, an improved UI, mobile access, spam and virus filtering).

Open Source

RATUUS is an easy to use, web based system for administration of POSTFIX virtual domains and users

PowerMTA is an industrial-strength software for high-volume email delivery.

Protect mail server against spam, viruses and malware with Proxmox Mail Gateway security for businesses, government, education and non-profit organizations.

All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail.

Open Source