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# Email Autoconfiguration legacy helper
Email autoconfiguration should generally be done these days with SRV DNS
records, as specified in [RFC-6186](https://www.rfc-editor.org/rfc/rfc6186.html).
However, some email clients have their own, legacy, web-based
autoconfiguration methods.
Recent versions of many of these email clients now work with RFC-6186
SRV records, and will prefer them if they exist, but old versions are
still out in the wild, and it's nice to support them if at all possible.
(Especially given that users who haven't upgraded to recent versions of
their tools might be tricky if they have issues.)
This project provides those web-based autoconfiguration methods, but
using the information from standardised RFC-6186 SRV records.
## System requirements
* Web server (currently *Apache2* supported)
* *PHP*
## Installation
make install \[PREFIX=prefixdir\]
Installs the files to the **PREFIX** (default `/usr/local`) base
directory - mostly under the `PREFIX/share/emailautoconf` subdirectory.
## Configuration
### On the main domain
Most email clients can look for autoconfiguration files on a website
with the same domain as the main email domain.
For example, if your email address is `jordan.doe@example.com`, then
most mail clients will look for an autoconfiguration file on the
`example.com` website.
If you have an *Apache2* website on the main domain, and installed
*emailautoconf* to `/usr/local`, then add the following to your
*Apache2* config:
Include /usr/local/share/emailautoconf/apache2/main.conf
And that should work.
For other webservers, you'll have to look at the *Apache2* config and
figure out the equivalent setup yourself.
Patches welcome!
### On specialised subdomains
Some email clients will look on specialised autoconfiguration subdomains
for the autoconfiguration information.
For example, if your email address is `jordan.doe@example.com`, then
*[Outlook](https://www.microsoft.com/outlook)* will preferentially look
for autoconfiguration data on `autodiscover.example.com` before falling
back to looking on `example.com`.
Similarly, *[Thundebird](https://www.thunderbird.net/)* (and some others
which implemented Thunderbird's system), will preferentially look for
autoconfiguration data on `autoconfig.example.com`, before falling back
to looking on `example.com`.
If you have an *Apache2* website on the `autodiscover` subdomain, and
installed *emailautoconf* to `/usr/local`, then add the following to
your *Apache2* config:
Include /usr/local/share/emailautoconf/apache2/autodiscover.conf
And that should work.
There is an equivalent config files for the `autoconfig` subdomain.
For other subdomains and webservers, you'll have to look at the provided
configs and, once again, figure out the equivalent setup yourself.
Also, again, Patches welcome!
## Uninstallation
make uninstall \[PREFIX=prefixdir\]
Just [because](https://www.gnu.org/prep/standards/html_node/Standard-Targets.html),
but also - what knows better at how to uninstall a package, than the
system that was used to install it.
(Yes, I am looking at you,
*[cmake](https://gitlab.kitware.com/cmake/community/-/wikis/FAQ#can-i-do-make-uninstall-with-cmake)*).
## License
GNU Lesser General Public License v3.0 or later
## TODO?
Support for more legacy autoconfig types.
Support for more web servers.
Add a `configure` script with an option to set whether users need to
supply their full email address, including domain, as their server
login?
Maybe install conf scripts somewhere more convenient, e.g.
`/etc/apache2/conf-available`?
Move "build objects" (e.g. `apache2/main.conf`) outside of the source
tree?
Add POP3 support?
Really?
|
