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Autodiscover (Outlook) and Autoconfig (Thunderbird)

Recent NetManager builds support account auto-configuration for Outlook and Thunderbirds (and any other mail clients that support either of these mechanisms). Examples of this in operation can be found here: Thunderbird and Outlook

Prerequisites

• You should already have a DNS A record for your mail server (e.g. mail.mydomain.com)
• You should have SSL certificates in place and your webserver should be accessible from the outside world, i.e. http://mail.mydomain.com and https://mail.mydomain.com should work
• You may need to set up a spoofed internal DNS record so that the external name (e.g. mail.mydomain.com) points to your internal IP address (depending on your firewalling)
• You will probably want enable SMTP authentication for many of your users as auto-configured accounts will have this feature enabled

DNS changes required

To enable this to work, you will need to set up two DNS CNAME records for your external domain name(s):

• autodiscover should be a CNAME to your mail server's external name (e.g. mail.mydomain.com)
• autoconfig should be a CNAME to your mail server's external name (e.g. mail.mydomain.com)
• Ideally, you should also create a SRV record for _autodiscover._tcp for port 443, e.g.

  _autodiscover._tcp      IN      SRV     1 10 443        mail.mydomain.com.
  

Testing

To test Thunderbird autoconfig go to:
http://autoconfig.mydomain.com/mail/config-v1.1.xml?emailaddress=myemail@mydomain.com

<clientConfig version="1.1">
<emailProvider id="netmanager">

Outlook autodiscover is harder to test as it requires you to send it XML (and SRV records cannot be tested in a web-browser either). However you should be able to visit the following (which will report No email address given): https://autodiscover.mydomain.com/autodiscover/autodiscover.xml