listmonk
Mail ServersSelf-hosted newsletter and mailing list manager
Replaces Mailchimp, Sendinblue
Best Docker Mail Servers for self-hosting
The 38 best Docker mail servers you can self-host, ranked by community traction.
Docker Mailserver
Mail ServersProduction-ready, config-driven mail server in a container
Replaces Google Workspace, Microsoft 365
Postal
Mail ServersComplete mail delivery platform for outgoing email
Replaces SendGrid, Mailgun
MailHog
Mail ServersEmail testing tool with a fake SMTP server
Replaces Mailtrap
Stalwart Mail Server
Mail ServersModern all-in-one mail server in a single binary
Replaces Microsoft Exchange, Google Workspace
mailcow
Mail ServersDockerized full-stack mail server suite
Replaces Microsoft Exchange, Google Workspace
Mautic
Mail ServersOpen-source marketing automation platform
Replaces HubSpot, Marketo
Mailpit
Mail ServersEmail and SMTP testing tool with web UI
Replaces Mailtrap, MailHog
Mailu
Mail ServersSimple yet full-featured Docker mail server
Replaces Google Workspace, Microsoft 365
Roundcube
Mail ServersBrowser-based IMAP webmail client
Replaces Gmail, Outlook Web
SimpleLogin
Mail ServersOpen source email alias solution to protect your email address
MailCatcher
Mail ServersCatch-all SMTP server for inspecting test email
Replaces Mailtrap
Maddy Mail Server
Mail ServersComposable, all-in-one mail server in Go
Replaces Google Workspace, Microsoft 365
Mox
Mail ServersModern, secure all-in-one mail server
Replaces Google Workspace, Microsoft 365
Mailtrain
Mail ServersSelf-hosted newsletter application
Replaces Mailchimp
Haraka
Mail ServersHigh-performance, pluggable SMTP server in Node.js
Replaces SendGrid, Mailgun
AnonAddy
Mail ServersEmail forwarding service for creating aliases
RainLoop
Mail ServersSimple, modern and fast web-based email client
Replaces Gmail, Outlook Web
smtp4dev
Mail ServersFake SMTP server for development email testing
Replaces Mailtrap
Modoboa
Mail ServersMail hosting and management platform with a modern UI
Replaces Google Workspace, cPanel Email
Dittofeed
Mail ServersOmni-channel customer engagement and messaging automation platform
Rspamd
Mail ServersFast, modern spam filtering system
Keila
Mail ServersOpen-source newsletter tool for senders
Replaces Mailchimp, Sendinblue
WildDuck
Mail ServersScalable IMAP and POP3 mail server with REST API
Replaces Microsoft Exchange, Gmail
Cypht
Mail ServersLightweight webmail aggregator for many accounts
Replaces Gmail, Outlook Web
SnappyMail
Mail ServersLightweight, fast and modern webmail client
Replaces Gmail, Outlook Web
Forward Email
Mail ServersPrivacy-focused encrypted email for everyone
Cuttlefish
Mail ServersTransactional email server with click and open tracking
Replaces Mailgun, SendGrid
parsedmarc
Mail ServersParser and dashboard for DMARC aggregate reports
Replaces Dmarcian, Valimail
PostfixAdmin
Mail ServersWeb interface for managing Postfix mail domains
Replaces cPanel Email
chasquid
Mail ServersSimple, easy-to-configure SMTP server
Replaces Google Workspace
OpenTrashmail
Mail ServersComplete trashmail solution that exposes an SMTP server and has a web
Chatmail
Mail ServersMinimal, instant-onboarding mail server for Delta Chat
Replaces WhatsApp
Mailman
Mail ServersFree software for managing electronic mailing lists
Replaces Google Groups
MailWhale
Mail ServersSelf-hosted transactional email relay with API
Replaces SendGrid, Postmark
Afterlogic WebMail Lite
Mail ServersFree webmail front-end for IMAP and SMTP servers
Replaces Gmail, Outlook Web
HyperKitty
Mail ServersWeb archive interface for Mailman 3 mailing lists
Replaces Google Groups
Postorius
Mail ServersWeb administration interface for Mailman 3
Replaces Google Groups
No apps match these filters.
Every option here is open-source and self-hostable, tagged Docker within the mail servers category. Compare them on the individual app pages for setup difficulty and resource requirements.