DavMail is an open-source project built for exchange and Office 365 users and administrators.

Yes — DavMail is free to use.

What platforms does DavMail run on?

DavMail runs on macOS, Windows, and Linux. It can also be self-hosted.

Is DavMail still maintained?

Unverified. DavMail has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to DavMail?

Similar projects tracked by PulseGate include SocketCluster, Fawcettinnovations, and Ably Push Notifications.

DavMail is developed by Mickaël Guessant.

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DavMail

Name: DavMail
Author: Mickaël Guessant

FlathubInfrastructure

DavMail is a Java gateway that exposes standard POP, IMAP, SMTP, CalDAV, CardDAV, and LDAP protocols for Microsoft Exchange and Office 365. It lets users connect standard mail, calendar, and address-book clients to Exchange without using Outlook.

FreemacOSWindowsLinuxSelf-hosted

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Overview

9 features

DavMail is a Messaging, queues & streaming project. It focuses on using standard email, calendar, and address-book clients with Microsoft Exchange or Office 365 instead of Outlook. It is built as an open-source project for exchange and Office 365 users and administrators. It is available for free. It runs on macOS, Windows, and Linux, and it can be self-hosted.

It is developed by Mickaël Guessant. Among its 9 catalogued features are POP gateway, IMAP gateway, and SMTP gateway.

POP gateway
IMAP gateway
SMTP gateway
CalDAV support
CardDAV support
LDAP gateway
Exchange support
Office 365 support
Firewall traversal

Built with & integrations

Runs on

macOSWindowsLinuxSelf-hosted

Trust & compliance

Verified signals

HTTPSFree tier

Indexing history

What PulseGate has recorded for this listing

Indexed9 Aug · 07:59 UTC
DavMail verified via crawler:flathub
Source: crawler:flathub · Open

Frequently asked questions about DavMail

What does DavMail do?: DavMail focuses on using standard email, calendar, and address-book clients with Microsoft Exchange or Office 365 instead of Outlook. It is catalogued under Messaging, queues & streaming on PulseGate.
Who is DavMail for?: DavMail is an open-source project built for exchange and Office 365 users and administrators.
Is DavMail free?: Yes — DavMail is free to use.
What platforms does DavMail run on?: DavMail runs on macOS, Windows, and Linux. It can also be self-hosted.
Is DavMail still maintained?: Unverified. DavMail has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to DavMail?: Similar projects tracked by PulseGate include SocketCluster, Fawcettinnovations, and Ably Push Notifications.SocketCluster Fawcettinnovations Ably Push Notifications
Who makes DavMail?: DavMail is developed by Mickaël Guessant.

At a glance

Platforms: Desktop
Languages: English
First seen: 9 Aug 2026
Built for: Exchange and Office 365 users and administrators
Model: Open source
Solves: Using standard email, calendar, and address-book clients with Microsoft Exchange or Office 365 instead of Outlook.

Registered as

Flathub: org.davmail.DavMail

Developer

Mickaël Guessant

Index record

Indexed: 9 Aug 2026
Lifecycle: Alive
First seen: Aug 2026
Last seen: 9 Aug 2026

Identity audit (13)

Slug: davmail-flathub-org
Lifecycle last checked: 8 Sept 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 9 Aug 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Written by a language model from the project's public pages.
Category from: Recorded source: taxonomy-pass-b.
Summary from: Taken from the project's own store listing.
Languages from: Detected by a language model from page content.
Last updated: 9 Aug 2026
Canonical URL: https://flathub.org/apps/org.davmail.DavMail

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