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Self-hosted mail server

Mailu

Mailu is self-hosted mail software; you manage the server and domain.

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Key parameters by plan

Self-hosted Mailu

Price and billing
Free plan

Applies only to Mailu software; server, domain and operating costs are paid by the operator.

[2]Sources checked:
Storage
Not confirmed
Phone verification
Not confirmed
Attachment size limit
Not confirmed
Self-managed hosting
Yes

Requires self-managed infrastructure, network configuration and domain.

[2]Sources checked:
System requirements
With ClamAV: minimum 3 GB memory and 1 GB swap; without ClamAV: minimum 1 GB memory and 1 GB swap.

Requirements depend on enabled services and load.

[4]Sources checked:

Why consider it

Mailu is self-hosted mail software; you manage the server and domain.

  • Receive email — Self-hosted Mailu
  • Start a new email — Self-hosted Mailu
  • Your own domain — Self-hosted Mailu
  • Catch-all on your domain — Self-hosted Mailu
  • Multiple aliases — Self-hosted Mailu
  • IMAP access — Self-hosted Mailu
  • SMTP access — Self-hosted Mailu

Before you choose

  • Requires your own server and domain, plus ongoing setup and maintenance. The software is not a hosted mailbox.

Recorded plans

Self-hosted Mailu

    Plan capabilities

    Plan capabilitiesSelf-hosted Mailu
    No account required
    Not confirmed
    No phone required
    Not confirmed
    No existing email required
    Not confirmed
    Receive email
    Yes
    [2]Sources checked:
    Reply to email
    Not confirmed
    Start a new email
    Yes
    [2]Sources checked:
    Your own domain
    Yes
    [3]Sources checked:
    Catch-all on your domain
    Yes
    [3]Sources checked:
    Provider subdomain wildcard
    Not confirmed
    Multiple aliases
    Yes
    [2]Sources checked:
    Two-factor authentication
    Not confirmed
    Zero-access mailbox encryption
    Not confirmed
    End-to-end encryption available
    Not confirmed
    Hide your main address
    Not confirmed
    Attachments
    Not confirmed
    Mobile app
    Not confirmed
    IMAP access
    Yes
    [2]Sources checked:
    SMTP access
    Yes
    [2]Sources checked:
    API access
    Not confirmed
    Inbox protected by an access credential
    Not confirmed
    Extend address lifetime
    Not confirmed
    Messages expire within 24 hours
    Not confirmed

    Official sources

    1. Mailu — Docker based mail server · 2026-11-02
    2. Mailu 2024.06 Documentation · 2026-11-02
    3. Web administration interface · 2026-11-02
    4. Docker compose requirements · 2026-11-02

    Choose by purpose

    Free email compared: storage, signup and plan limitsCustom-domain email: hosting, forwarding and costs comparedCatch-all email for your own domain

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