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YMOZ review

Free#59 of 178 in Email Hosting

A protocol-rich email service for teams that want secure administration and self-hosting options.

5.3/10Editor score
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

YMOZ is an open-source email hosting service built with mailcow and SOGo. It supports custom-domain mailboxes, browser-based SOGo webmail, and standard IMAP, POP3, and SMTP access. Calendar and contact synchronization extend through CalDAV, CardDAV, and Microsoft Exchange ActiveSync. The product is aimed at self-hosters, administrators, and teams that want control over domains, mailboxes, aliases, and synchronization jobs rather than a narrow webmail-only service.

Its platform fit is broad. YMOZ works with Mozilla Thunderbird, eM Client, Apple Mail, Windows Mail, and Microsoft Outlook, while CalDAV, CardDAV, and ActiveSync support connects calendars and contacts across compatible clients. The REST API adds administrative control for domains, mailboxes, aliases, and sync jobs. Documentation also covers a Dockerized email stack for self-hosting, while custom managed hosting is positioned as an option for larger teams. Mobile access is handled through third-party apps rather than a native mobile application.

Security and administration are central strengths. Users can enable two-factor authentication with authenticator apps or a YubiKey, and the service supports both S/MIME and PGP encryption. Temporary aliases and alias management add flexibility for custom-domain workflows, while spam filtering controls address routine mail administration. YMOZ suits technically capable users who value open-source infrastructure, protocol support, and administrative APIs. It is less suitable for buyers seeking native mobile apps, built-in AI features, or a single mailbox experience without separate access requirements for custom domains and @ymoz.com addresses.

YMOZ pros and cons

  • Where it wins
    • Custom-domain mailboxes with webmail, IMAP, POP3, and SMTP
    • S/MIME, PGP, 2FA, aliases, and spam filtering controls
    • REST API for domains, mailboxes, aliases, and sync jobs
  • Where it doesn't
    • Mobile access relies on third-party apps
    • @ymoz.com mailboxes require an invitation
    • No native AI features

YMOZ fact sheet, pricing and score →

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