transparent-email/README.md
2016-09-10 14:11:19 +02:00

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# Gordianus
Gordianus clears aliases from email address. Email `John.Doe+alias@gmail.com` will be transformed to `johndoe@gmail.com`.
## Why?
To detect multi-accounts on your website.
## Supported mailboxes
* [gmail.com](https://gmail.com)
* [tlen.pl](http://tlen.pl)
* [33mail.com](https://www.33mail.com)
* [outlook.com](http://outlook.com)
* [yahoo.com](http://mail.yahoo.com)
## Usage
```php
$gordianus = new \bkrukowski\Gordianus\Gordianus();
$transformedEmail = $gordianus->getPrimaryEmail('John.Doe+alias@gmail.com');
```
## Yahoo.com
Aliases work different on Yahoo than on Gmail. On Gmail part after plus is skipped.
For example message sent to `jane.doe+alias@gmail.com` will be redirected to `jane.doe@gmail.com`.
Yahoo uses the following pattern[*](https://help.yahoo.com/kb/SLN16026.html):
*baseName*-*keyword*@yahoo.com
* *baseName* - value defined by the user, different than email login;
* *keyword* - one from a list of keywords defined by the user.
Therefore we do not know what is the real email, so in this case result will be:
*baseName*-alias@yahoo.com.