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Offers mailaccount autodiscover in Thunderbird and Outlook to all your customers in a ISPConfig multiserver environment.

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ISPConfig Server Addons

Autodiscover (Outlook) + Autoconfig (Thunderbird)

NOTE: This is a mirror for https://spicyhub.de/spicy-web/isp-mailconfig

Intro

Using this tool you can offer mailaccount autodiscover in Thunderbird and Outlook to all your customers in a multiserver environment.

Placeholders

  • my-service.com = The domain you run your "autodiscover" service on
  • my-mail.com = The domain you want to activate autodiscover and autoconfig for
  • PANEL-SERVER-IP = IP Address of the ISP-Panel server (of course you can install the tool on every server in your environment)
    • In case of installing it on another server than the panel, you have to use another user and group instead of ispapps in vHost config and console commands.

Requirements

Outlook requires access to a SSL secured page with a trusted certificate.

In this example configuration I use the same SSL certificate that is used for ISPConfig panel. On my server this certificate is signed by StartSSL Level 2 (Personal Identity).

That should be enough for Outlook to work without error messages and warnings.

Setup

Prepare panel server

The discover plugin is not realized as Website managed by ISPConfig. This setup guide explains the setup of the vHost from scratch. So you can install it on any of your servers running a webserver.

Example configuration for Apache2

  • Add a new vHost Config file: vi /etc/apache2/sites-available/discover.my-service.com

Content:

<VirtualHost *:80>
  ServerName discover.my-service.com
  ServerAlias autoconfig.my-service.com
  ServerSignature Off
  
  # Redirect non HTTPS and wrong domain names
  RewriteEngine On
  RewriteCond %{HTTPS} !on [OR]
  RewriteCond %{HTTP_HOST} !^discover\.my-service\.com$
  RewriteRule ^(.*)$ https://discover.my-service.com$1 [L,R]
</VirtualHost>



<VirtualHost *:443>
  ServerName discover.my-service.com
  ServerAlias autoconfig.my-service.com
  ServerAdmin [email protected]
  ServerSignature Off

  RewriteEngine On
  <IfModule mod_fcgid.c>
    DocumentRoot /var/www/discover
    SuexecUserGroup ispapps ispapps
    <Directory /var/www/discover>
      AddHandler fcgid-script .php
      FCGIWrapper /var/www/php-fcgi-scripts/apps/.php-fcgi-starter .php
      Order allow,deny
      Allow from all
    </Directory>
  </IfModule>


  <IfModule mod_php5.c>
    DocumentRoot /var/www/discover
    AddType application/x-httpd-php .php
    <Directory /var/www/mail_autoconfig>
      Order allow,deny
      Allow from all
    </Directory>
  </IfModule>

  # This config uses the certificate that is used for ISPC Panel
  # Change path if needed
  SSLEngine On
  SSLCertificateFile /usr/local/ispconfig/interface/ssl/ispserver.crt
  SSLCertificateKeyFile /usr/local/ispconfig/interface/ssl/ispserver.key
</VirtualHost>

Install the tool

  • Enter your ISPConfig panel at System -> Remote Users and create a new remote user
  • Privileges:
    • Server Functions
    • E-Mail User
  • Clone the repository into the discover-webfolder
  • Copy the shipped config file
  • Open it in your favorite editor and enter ISPC-URLs and Remote User credentials as well as the name of your service

Shell Commands:

cd /var/www
git clone https://spicyhub.de/spicy-web/isp-mailconfig.git discover
chown -R ispapps:ispapps discover
cd discover
cp config.dist.php config.php
vi config.php

DNS Config

Add the following DNS records for zone my-service.com:

  • A discover -> PANEL-SERVER-IP
    • maybe also AAAA, if IPv6 available for panel server
  • CNAME autoconfig -> discover

Add the following DNS records for zone my-mail.com to enable autoconfig:

  • SRV _autodiscover._tcp.my-mail.com -> 1 10 443 discover.my-service.com
  • [SRV-Format on Route53: [priority] [weight] [port] [server host name]]
  • CNAME autoconfig -> discover.my-service.com.

Testing

This tool works only for real existing mail accounts as it queries the ISPC Remote API for them.

While testing make shure to use adresses, that exist on your server.

Mozilla / Thunderbird

Enter https://discover.my-service.com/mail/config-v1.1.xml?emailaddress=user%2540my-mail.com in your browser.

For an existing mail address in the emailaddress-parameter you should get an answer like this:

<?xml version="1.0" encoding="UTF-8"?>
<clientConfig version="1.1">
    <emailProvider id="my-mail.com">
        <domain>my-mail.com</domain>
        <displayName>YOUR SERIVCE NAME</displayName>
        <displayShortName>SERVICE</displayShortName>
        <incomingServer type="pop3">
            <hostname>mailserver.my-service.com</hostname>
            <port>995</port>
            <socketType>SSL</socketType>
            <authentication>password-cleartext</authentication>
            <username>[email protected]</username>
            <pop3>
                <leaveMessagesOnServer>true</leaveMessagesOnServer>
                <downloadOnBiff>true</downloadOnBiff>
                <daysToLeaveMessagesOnServer>10</daysToLeaveMessagesOnServer>
            </pop3>
        </incomingServer>
        <incomingServer type="imap">
            <hostname>mailserver.my-service.com</hostname>
            <port>993</port>
            <socketType>SSL</socketType>
            <authentication>password-cleartext</authentication>
            <username>[email protected]</username>
        </incomingServer>
        <outgoingServer type="smtp">
            <hostname>mailserver.my-service.com</hostname>
            <port>587</port>
            <socketType>STARTTLS</socketType>
            <authentication>password-cleartext</authentication>
            <username>[email protected]</username>
        </outgoingServer>
    </emailProvider>
</clientConfig>

Microsoft Outlook

As Outlook posts an XML-File with user data to the server you can't just call it in browser to test it.

You can use Microsofts Remote Connectivity Analyzer at https://testconnectivity.microsoft.com/ to check if the Outlook-AutoDiscovery is working.

It takes some time but should also give a positive result for an existing Mail Account on my-mail.com.

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Offers mailaccount autodiscover in Thunderbird and Outlook to all your customers in a ISPConfig multiserver environment.

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