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🐳 🔧 Provides Autodiscover capabilities for IMAP/POP/SMTP/LDAP services on Microsoft Outlook/Apple Mail and Autoconfig capabilities for Thunderbird

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Autodiscover Autodiscover Email Settings

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This service is created to autodiscover your provider email settings.

It provides IMAP/POP/SMTP/LDAP Autodiscover capabilities on Microsoft Outlook/Apple Mail, Autoconfig capabilities for Thunderbird, and Configuration Profiles for iOS/Apple Mail.

A simple support page is also available at the root of the autodiscover domain.

General settings

General settings

DNS settings

autoconfig              IN      A      {{$AUTODISCOVER_IP}}
autodiscover            IN      A      {{$AUTODISCOVER_IP}}
imap                    IN      CNAME  {{$MX_DOMAIN}}.
smtp                    IN      CNAME  {{$MX_DOMAIN}}.
@                       IN      MX 10  {{$MX_DOMAIN}}.
@                       IN      TXT    "mailconf=https://autoconfig.{{$DOMAIN}}/mail/config-v1.1.xml"
_imaps._tcp             IN      SRV    0 0 {{IMAP_PORT}} {{MX_DOMAIN}}.
_pop3s._tcp             IN      SRV    0 0 {{POP_PORT}} {{MX_DOMAIN}}.
_submission._tcp        IN      SRV    0 0 {{SMTP_PORT}} {{MX_DOMAIN}}.
_autodiscover._tcp      IN      SRV    0 0 443 autodiscover.{{$DOMAIN}}.
_ldap._tcp              IN      SRV    0 0 {{LDAP_PORT}} {{LDAP_HOST}}.

Replace above variables with data according to this table

Variable Description
MX_DOMAIN The hostname name of your MX server
DOMAIN Your apex/bare/naked Domain
AUTODISCOVER_IP IP of the Autoconfig HTTP
IMAP_PORT Port for your IMAP server
POP_PORT Port for your POP server
SMTP_PORT Port for your SMTP server
LDAP_HOST The hostname of your LDAP server
LDAP_PORT Port for your LDAP server

Usage

traefik can proxy your containers on docker, on docker swarm, and on a wide range of orchestrators. You can also achieve this with another proxy like Nginx for instance.

Though not the preferred solution, it is also possible to run the project without docker, as a systemd service.

docker

version: '2'

services:
  autodiscover-example-com:
    image: monogramm/autodiscover-email-settings:latest
    container_name: autodiscover
    environment:
      - COMPANY_NAME=Company
      - SUPPORT_URL=https://autodiscover.example.com
      - DOMAIN=example.com
      # IMAP configuration (host mandatory to enable)
      - IMAP_HOST=imap.example.com
      - IMAP_PORT=993
      - IMAP_SOCKET=SSL
      # POP configuration (host mandatory to enable)
      - POP_HOST=pop3.example.com
      - POP_PORT=995
      - POP_SOCKET=SSL
      # SMTP configuration (host mandatory to enable)
      - SMTP_HOST=smtp.example.com
      - SMTP_PORT=587
      - SMTP_SOCKET=STARTTLS
      # MobileSync/ActiveSync configuration (url mandatory to enable)
      - MOBILESYNC_URL=https://sync.example.com
      - MOBILESYNC_NAME=sync.example.com
      # LDAP configuration (host mandatory to enable)
      - LDAP_HOST=ldap.example.com
      - LDAP_PORT=636
      - LDAP_SOCKET=SSL
      - LDAP_BASE=dc=ldap,dc=example,dc=com
      - LDAP_USER_FIELD=uid
      - LDAP_USER_BASE=ou=People,dc=ldap,dc=example,dc=com
      - LDAP_SEARCH=(|(objectClass=PostfixBookMailAccount))
      # Apple mobile config identifiers (identifier mandatory to enable)
      - PROFILE_IDENTIFIER=com.example.autodiscover
      - PROFILE_UUID=92943D26-CAB3-4086-897D-DC6C0D8B1E86
      - MAIL_UUID=7A981A9E-D5D0-4EF8-87FE-39FD6A506FAC
      - LDAP_UUID=6ECB6BA9-2208-4ABF-9E60-4E9F4CD7309E
    labels:
      - "traefik.port=8000"
      - "traefik.frontend.rule=Host:autoconfig.example.com,autodiscover.example.com"

docker swarm

version: '3'

services:
  autodiscover-example-com:
    image: monogramm/autodiscover-email-settings:latest
    container_name: autodiscover
    environment:
      - COMPANY_NAME=Company
      - SUPPORT_URL=https://autodiscover.example.com
      - DOMAIN=example.com
      # IMAP configuration (host mandatory to enable)
      - IMAP_HOST=imap.example.com
      - IMAP_PORT=993
      - IMAP_SOCKET=SSL
      # POP configuration (host mandatory to enable)
      - POP_HOST=pop3.example.com
      - POP_PORT=995
      - POP_SOCKET=SSL
      # SMTP configuration (host mandatory to enable)
      - SMTP_HOST=smtp.example.com
      - SMTP_PORT=587
      - SMTP_SOCKET=STARTTLS
      # MobileSync/ActiveSync configuration (url mandatory to enable)
      - MOBILESYNC_URL=https://sync.example.com
      - MOBILESYNC_NAME=sync.example.com
      # LDAP configuration (host mandatory to enable)
      - LDAP_HOST=ldap.example.com
      - LDAP_PORT=636
      - LDAP_SOCKET=SSL
      - LDAP_BASE=dc=ldap,dc=example,dc=com
      - LDAP_USER_FIELD=uid
      - LDAP_USER_BASE=ou=People,dc=ldap,dc=example,dc=com
      - LDAP_SEARCH=(|(objectClass=PostfixBookMailAccount))
      # Apple mobile config identifiers (identifier mandatory to enable)
      - PROFILE_IDENTIFIER=com.example.autodiscover
      - PROFILE_UUID=92943D26-CAB3-4086-897D-DC6C0D8B1E86
      - MAIL_UUID=7A981A9E-D5D0-4EF8-87FE-39FD6A506FAC
      - LDAP_UUID=6ECB6BA9-2208-4ABF-9E60-4E9F4CD7309E
    deploy:
      replicas: 1
      labels:
        - "traefik.port=8000"
        - "traefik.frontend.rule=Host:autoconfig.example.com,autodiscover.example.com"

nginx

The following is an example of NGinx configuration assuming NGinx for Autodiscover Email Settings located at autoconfig.example.com and autodiscover.example.com. The following setup assumes NGinx to be running on the host machine and autodiscover to expose itself on port 8000:

# HTTP configuration with HTTPS redirection
server {
    listen 80;
    listen [::]:80;
    server_name autoconfig.example.com autodiscover.example.com;
    return 301 https://$server_name$request_uri;
}

# HTTPS configuration with Let's Encrypt certificates
server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;
    server_name autoconfig.example.com autodiscover.example.com;

    # Set location of error and access logs
    error_log /var/log/nginx/autoconfig.example.com/error.log;
    access_log /var/log/nginx/autoconfig.example.com/access.log combined_ssl;

    # Hide Nginx version
    server_tokens off;

    # SSL configuration (adapt to your environment or managed by Certbot)
    ssl_certificate /etc/letsencrypt/live/autoconfig.example.com/fullchain.pem;
    ssl_certificate_key /etc/letsencrypt/live/autoconfig.example.com/privkey.pem;
    include /etc/nginx/ssl_params;
    include /etc/nginx/header_params;

    location / {
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;

        # Enable HSTS once SSL configuration fully validated
        #add_header Strict-Transport-Security "max-age=15552000; includeSubDomains" always;
        add_header Front-End-Https on;

        # Redirect NGinx traffic to locally running autodiscover
        # if NGinx is running inside docker, adapt to either DOCKER_HOST or docker container name
        proxy_pass http://127.0.0.1:8000;

        proxy_redirect off;
    }
}

service

The following is an example of systemd service configuration for Autodiscover Email Settings. The following setup assumes the following:

  • node and yarn are installed on your marchine
  • project is located at /srv/http/autodiscover
  • the project dependencies have been previously installed with yarn --prod
  • there is an autodiscover user and group with sufficient permissions to read the project and run node
[Unit]
Description=Autodiscover service

[Service]
Type=simple
WorkingDirectory=/srv/http/autodiscover
User=autodiscover
Group=autodiscover
Environment="NODE_ENV=production"

#Environment="COMPANY_NAME=Company"
#Environment="SUPPORT_URL=https://autodiscover.example.com"
#Environment="DOMAIN=example.com"

# IMAP configuration (host mandatory to enable)
Environment="IMAP_HOST=imap.example.com"
Environment="IMAP_PORT=993"
Environment="IMAP_SOCKET=SSL"

# POP configuration (host mandatory to enable)
#Environment="POP_HOST=imap.example.com"
#Environment="POP_PORT=995"
#Environment="POP_SOCKET=SSL"

# SMTP configuration (host mandatory to enable)
Environment="SMTP_HOST=imap.example.com"
Environment="SMTP_PORT=465"
Environment="SMTP_SOCKET=SSL"

# MobileSync/ActiveSync configuration (url mandatory to enable)
#Environment="MOBILESYNC_URL=https://sync.example.com"
#Environment="MOBILESYNC_NAME=sync.example.com"

# LDAP configuration (host mandatory to enable)
#Environment="LDAP_HOST=ldap.example.com"
#Environment="LDAP_PORT=636"
#Environment="LDAP_SOCKET=SSL"
#Environment="LDAP_BASE=dc=ldap,dc=example,dc=com"
#Environment="LDAP_USER_FIELD=uid"
#Environment="LDAP_USER_BASE=ou=People,dc=ldap,dc=example,dc=com"
#Environment="LDAP_SEARCH=(|(objectClass=PostfixBookMailAccount))"

# Apple mobile config identifiers (identifier mandatory to enable)
Environment="PROFILE_IDENTIFIER=com.example.autodiscover"
Environment="PROFILE_UUID=92943D26-CAB3-4086-897D-DC6C0D8B1E86"
Environment="MAIL_UUID=7A981A9E-D5D0-4EF8-87FE-39FD6A506FAC"
#Environment="LDAP_UUID=6ECB6BA9-2208-4ABF-9E60-4E9F4CD7309E"

ExecStart=/usr/bin/node /srv/http/autodiscover/index.js
Restart=always

[Install]
WantedBy=multi-user.target

Credits

Inspired from https://github.com/sylvaindumont/autodiscover.xml, but without the few restrictions mentioned in the original project notes and with a simple support page to allow manual setup and iOS profile download.

The original project was inspired from https://github.com/johansmitsnl/docker-email-autodiscover, but with https://github.com/Tiliq/autodiscover.xml instead of https://github.com/gronke/email-autodiscover to allow a much lighter image based of node on alpine instead of apache on debian.

Thanks to @HLFH for providing sample NGinx configuration and systemd service configuration.

Notes

The above autoconfiguration methods assume the following:

  • If username does not contain @, full email address will be generated based on domain settings

Links

License

This project is distributed under the MIT License

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🐳 🔧 Provides Autodiscover capabilities for IMAP/POP/SMTP/LDAP services on Microsoft Outlook/Apple Mail and Autoconfig capabilities for Thunderbird

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