go-autoconfig

IMAP/SMTP autodiscover feature for Thunderbird, Apple Mail and Microsoft Outlook.

You need DNS SRV-record to get work Outlook and Thunderbird:

_autodiscover._tcp IN SRV 0 0 443 autoconfig.example.com.

Of course autoconfig.example.com domain should point to your server with this service.

Thunderbird

GET https://autoconfig.example.com/mail/config-v1.1.xml

Apple Mail

GET https://autoconfig.example.com/[email protected]

Outlook

POST https://autoconfig.example.com/autodiscover/autodiscover.xml

Installation

1. Compile (go mod tidy && go build -o server) or download binary from releases tab.
2. Edit config.yml.
3. Launch it ./server --config config.yml.
4. Optionally use nginx as reverse-proxy and systemd to do daemon.