In Joomla 2.5 and above, users need to register with a unique email address. Joomla prevents registration using an existing email address.

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This is not ideal for example where club members are children and they should be registered with a parent's address. It also makes creating test users more difficult as they all need to have separate addresses.

This system plugin allows administrators of Joomla sites to enable users to register more than one account with the same email address. It works by overriding a core class to disable the duplicate email check.

The plugin also uses the Joomla Update feature to check for new versions and enable simple updates when new Joomla versions are released

This plugin is based on the users same email plugin - (C) If you are using that plugin then it must be removed before installing this plugin as they both try to override the same core class.

Currently supported Joomla versions: 2.5, 3.3, 3.4, 3.5

It works

Posted on 13 January 2018

It works. Users can register and activate accounts. However, when editing a profile a warning is displayed stating the email is in use.

Ease of use

Very easy


None needed


None needed

I used this to: For testing and for website we club members have to register. Parents might have more children and use the same email address for each child.


Does what it says!

Ease of use

1-second installation


didn't even need any!


didn't need

I used this to: testing users with different access levels

Allow Duplicate Email

Ravenswood IT Services
Last updated:
May 26 2016
Date added:
Jan 26 2015
GPLv2 or later
Free download

Uses Joomla! Update System

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