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Self-hosted mail server

Stalwart

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

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Key parameters by plan

Community Edition

Price and billing
Free plan

Applies only to self-hosted software; infrastructure costs are separate.

[2]Sources checked:
Storage
Not confirmed
Phone verification
Not confirmed
Attachment size limit
Not confirmed

Why consider it

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

  • Receive email — Community Edition
  • Start a new email — Community Edition
  • Your own domain — Community Edition
  • Catch-all on your domain — Community Edition
  • Multiple aliases — Community Edition
  • Two-factor authentication — Community Edition
  • IMAP access — Community Edition
  • SMTP access — Community Edition

Before you choose

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

Recorded plans

Community Edition

    Plan capabilities

    Plan capabilitiesCommunity Edition
    No account required
    Not confirmed
    No phone required
    Not confirmed
    No existing email required
    Not confirmed
    Receive email
    Yes
    [1]Sources checked:
    Reply to email
    Not confirmed
    Start a new email
    Yes
    [1]Sources checked:
    Your own domain
    Yes
    [4]Sources checked:
    Catch-all on your domain
    Yes

    Custom-domain features require your own domain and DNS setup; registration costs extra.

    [5]Sources checked:
    Provider subdomain wildcard
    Not confirmed
    Multiple aliases
    Yes
    [5]Sources checked:
    Two-factor authentication
    Yes

    Limited to internal-directory accounts; when enabled, IMAP, POP3 and SMTP clients need OAuth or app passwords.

    [6]Sources checked:
    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
    [1]Sources checked:
    SMTP access
    Yes
    [1]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. Stalwart Mail & Collaboration Server · 2026-11-02
    2. Stalwart Community Edition · 2026-11-02
    3. Stalwart Pricing · 2026-11-02
    4. Stalwart Accounts · 2026-11-02
    5. Stalwart Accounts, domains and addresses · 2026-11-02
    6. Stalwart Two-factor authentication · 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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