Email Servers
Email Servers tools -- a subcategory of Email & Newsletters
Replace Popular SaaS
34 Tools
Novu
39KThe open-source notification infrastructure for modern products. Multi-channel delivery turned into a single <Inbox /> component.
Postal
16KA fully featured open source mail delivery platform for incoming & outgoing e-mail
Mail-in-a-Box
15KTake back control of your email with this easy-to-deploy mail server in a box
Billion Mail
14KReleased under AGPL-3.0, Billion Mail provides email marketing platform on self-hosted infrastructure.
Mailcow
12KMailcow is a self-hosted email servers replacement for Gmail and Microsoft Outlook.
Stalwart Mail Server
12KStalwart Mail Server is a Rust-based application that provides all-in-one mail server with JMAP, IMAP4, and SMTP support and a wide range of modern features.
Logto
12KLogto lets you run identity solution offering customizable login experiences entirely on your own server.
Zero
10KFor privacy & encryption, Zero is a self-hosted solution that provides email application.
Inbox Zero
10KInbox Zero is a self-hosted email servers tool that provides AI-powered email management.
Tuta
7.4KTuta is a self-hosted privacy & encryption tool with support for privacy, security, email.
Mailu
7.1KFor email servers, Mailu is a self-hosted solution that provides simple yet full-featured mail server as a set of Docker images.
Roundcube
6.9KRoundcube is a self-hosted email servers replacement for Gmail and Microsoft Outlook.
SimpleLogin
6.5KSimpleLogin handles email alias solution to protect your email address. Comes with browser extensions and mobile apps as a self-hosted solution.
Mox
5.6KMox is a Go-based application that provides complete e-mail solution.
AnonAddy
4.5KAnonAddy is a PHP-based application that provides email forwarding service for creating aliases.
useSend
4.1KUseSend handles email platform for transactional and marketing emails. Self-host or use cloud service as a self-hosted solution.
Dittofeed
2.7KSelf-hosted customer engagement tool that offers low-code tools for message automation across multiple channels.
AliasVault
2.3KAliasVault is a self-hosted email servers tool that provides end-to-end encrypted password manager with a built-in email alias generator and server.
Notifuse
1.9KSelf-hosted email servers tool that provides email platform for newsletters and transactional emails. alternative to Mailchimp.
Open Archiver
1.8KOpen Archiver lets you run email archiving solution with full-text search and eDiscovery search features entirely on your own server.
Gmail Cleaner
1.8KGmail Cleaner is a self-hosted email servers tool that provides web-based GUI for cleaning Gmail inboxes.
mail-archiver
1.7KMail-archiver is a C#-based application that provides web application for archiving.
UnInbox
1.7KFor email servers, UnInbox is a self-hosted solution that provides streamline team communication.
SnappyMail
1.6KSnappyMail lets you run simple, modern, lightweight & fast web-based email client entirely on your own server.
Bichon
1.5KBichon lets you run lightweight e-mail archiver entirely on your own server.
Cypht
1.5KReleased under LGPL-2.1, Cypht provides feed reader for your email accounts on self-hosted infrastructure.
Dovecot
1.2KFor email servers, Dovecot is a self-hosted solution that provides IMAP and POP3 server written primarily with security in mind.
Nextcloud Mail
963Nextcloud Mail handles email application for Nextcloud as a self-hosted solution.
Nortix Mail
704For email servers, Nortix Mail is a self-hosted solution that provides disposable e-mail server with an easy configuration.
Twake Mail
593Self-hosted email servers tool that provides professional email solution.
Hyvor Relay
549Hyvor Relay is a self-hosted email servers tool that provides email API alternative to AWS SES & Mailgun. AGPL-3.0.
Eonvelope
198Released under AGPL-3.0, Eonvelope provides email archiving software on self-hosted infrastructure.
Geoposler
33Self-hosted email servers tool that provides e-mail campaign management application.
Dovel
Dovel lets you run simple and easy-to-use mail server entirely on your own server.
Why Self-Host Your Email Server?
Gmail scans your email content for advertising. Microsoft Outlook routes your messages through their infrastructure where they can be accessed by employees or law enforcement. Both services impose storage limits and can lock your account without recourse. Self-hosted email servers give you complete sovereignty over your communications — no scanning, no third-party access, and storage limited only by your disk space.
Mail-in-a-Box provides the simplest path to a self-hosted email server, bundling Postfix, Dovecot, Roundcube, and DNS configuration into an automated setup that runs on a single Ubuntu server. Mailcow packages a full email stack with SOGo groupware, ClamAV antivirus, and Rspamd spam filtering in Docker containers. Stalwart Mail Server is a modern, Rust-based all-in-one mail server with JMAP, IMAP, and SMTP support. Mailu offers another Docker-based approach with a focus on simplicity. For privacy-first email, Tuta provides end-to-end encrypted email that even the server operator cannot read.
Email aliasing and privacy tools complement your mail server. SimpleLogin and AnonAddy generate email aliases that forward to your real address, preventing your actual email from appearing in databases. AliasVault adds encrypted alias management. For email clients, Roundcube and SnappyMail provide webmail interfaces, while Zero offers a modern inbox experience. Postal handles transactional email sending, replacing services like SendGrid or Mailgun. The self-hosted email ecosystem is mature and battle-tested — these are not experimental tools, but production systems running millions of mailboxes worldwide.