[Users] how does the email auto-configure work

[Paul]

On Tue, 8 Dec 2015 20:43:33 +0100
Frank Dietrich <bits_n_bytes at gmx.de> wrote: 

> As far as I understand the main part of this configuration is done
> in auto_configure_service_sync(...). But how could/should this lead
> at the end in the settings provided by url [3]?

I refer you back to the 3.10.0 release notes, which are stored in the
NEWS file:

* Auto-configuration of account email servers, based on SRV records,
  is now possible. (GLib >= 2.22 is required.)

with regards

Paul