sylvaindumont/docker-email-autodiscover

docker-email-autodiscover

This service is created to autodiscover your provider email settings. The service is kept simple and listens only on port 80. To enable ssl certificates use jwilder/nginx-proxy.

Usage

Get the latest image

docker pull jsmitsnl/docker-email-autodiscover:latest

DNS settings

For the case you are using Bind and have the autoconfig HTTP server running on the same IP your www. subdomain resolves to, you can use this DNS records to configure your nameserver

autoconfig              IN      CNAME   www
autodiscover            IN      CNAME   www

@                       IN      MX 10   {{$MX_DOMAIN}}.
@                       IN      TXT     "mailconf=https://autoconfig.{{$DOMAIN}}/mail/config-v1.1.xml"
_imaps._tcp             SRV 0 1 993     {{$MX_DOMAIN}}.
_submission._tcp        SRV 0 1 465     {{$MX_DOMAIN}}.
_autodiscover._tcp      SRV 0 0 443     autodiscover.{{$DOMAIN}}.

Instead of a CNAME, you can of course also choose an A-record

autoconfig              IN      A      {{$AUTODISCOVER_IP}}
autodiscover            IN      A      {{$AUTODISCOVER_IP}}

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

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Create a docker-compose.yml

Adapt this file with your FQDN. Install docker-compose in the version 1.6 or higher.

version: '2'

services:
  mail:
    image: jsmitsnl/docker-email-autodiscover:latest
    hostname: autodiscover
    domainname: domain.com
    container_name: autodiscover
    restart: always
    ports:
    - "80:80"
    environment:
    - COMPANY_NAME=my company
    - SUPPORT_URL=https://support.domain.com
    - DOMAIN=domain.com
    - IMAP_HOST=imap.domain.com
    - IMAP_PORT=993
    - SMTP_HOST=smtp.domain.com
    - SMTP_PORT=465

ssl support with jwilder:

version: '2'

services:
  mail:
    image: jsmitsnl/docker-email-autodiscover:latest
    hostname: autodiscover
    domainname: domain.com
    container_name: autodiscover
    restart: always
    links:
    - nginx_proxy
    environment:
    - COMPANY_NAME=my company
    - SUPPORT_URL=https://support.domain.com
    - DOMAIN=domain.com
    - IMAP_HOST=imap.domain.com
    - IMAP_PORT=993
    - SMTP_HOST=smtp.domain.com
    - SMTP_PORT=465
    - VIRTUAL_HOST=autoconfig.domain.com,autodiscover.domain.com
    - LETSENCRYPT_HOST=autoconfig.domain.com,autodiscover.domain.com
    - LETSENCRYPT_EMAIL=support@domain.com

  nginx_proxy:
    image: jwilder/nginx-proxy:alpine
    hostname: nginx_proxy
    domainname: domain.com
    container_name: nginx_proxy
    restart: always
    ports:
      - 80:80
      - 443:443
    volumes:
      - /var/run/docker.sock:/tmp/docker.sock:ro
      - ./nginx_proxy/config/template/nginx.tmpl:/etc/docker-gen/templates/nginx.tmpl:ro
      - ./nginx_proxy/config/certs:/etc/nginx/certs:ro
      - ./nginx_proxy/config/my_proxy.conf:/etc/nginx/conf.d/my_proxy.conf:ro
      - /etc/nginx/vhost.d
      - /usr/share/nginx/html
    environment:
      - ENABLE_IPV6=true
    labels:
      - com.github.jrcs.letsencrypt_nginx_proxy_companion.nginx_proxy=true
    cap_add:
      - NET_ADMIN

    letsencrypt_companion:
      image: jrcs/letsencrypt-nginx-proxy-companion
      container_name: letsencrypt_companion
      volumes_from:
        - nginx_proxy
      volumes:
        - /var/run/docker.sock:/var/run/docker.sock:ro
        - ./nginx_proxy/config/certs:/etc/nginx/certs:rw
      restart: always