Stalwart icon

Stalwart

All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

About

Community size

1.78Kmembers

Weekly growth

New Members
-4
Growth Rate
-0.22%

Server Details

Stalwart Mail Server is an open-source mail server solution with JMAP, IMAP4, POP3, and SMTP support and a wide range of modern features. It is written in Rust and designed to be secure, fast, robust and scalable. Stalwart Labs' mission is to help modernize, democratize and promote decentralization of email by creating an open-source mail server in Rust that is simple to run but at the same time extremely secure, robust and focused on privacy.

Category rankings

Science & Tech
Total Members
Top 80%
Member Growth
Top 70%
Business
Total Members
Top 80%
Member Growth
Top 65%
Collaboration
Total Members
Top 80%
Member Growth
Top 70%

Preferred language

English (US)

Created on

December 23, 2021

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Frequently Asked Questions

How many members does Stalwart have?

Stalwart has 1,784 members as of June 2026, based on Deepcord's daily tracking data.

Is Stalwart growing?

Stalwart lost 4 members over the past week (a -0.2% change).

How popular is Stalwart?

Stalwart ranks #2810 of 3,622 servers in the Collaboration category on Deepcord by member count.

When was Stalwart created?

Stalwart was created on December 23, 2021.

How do I join Stalwart?

Use the Join Server button at the top of this page for an instant invite to Stalwart on Discord. Joining is free.

Own this server?

Claim it for free — verify through Discord in seconds and track its growth from your owner dashboard.