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WSO2 products can be configured to authenticate users using their attributes such as email or mobile number instead of the username. This topic provides instructions on how to set up your WSO2 product to authenticate a users by using their email.

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1. Open the carbon.xml file in the following path: [PRODUCT_HOME]/repository/conf/carbon.xml

2. Look for the commented out configuration EnableEmailUserName. Uncomment the configuration to enable email authentication.

   Code Block
   language html/xml
   <EnableEmailUserName>true</EnableEmailUserName>

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1. Open theuser-mgt.xml

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1. file found in

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1. the [PRODUCT_HOME]/repository/conf/

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1. directory and add the following property under the relevant user store manager tag. . This property determines the username validation that will be enforced when the EnableEmailUserName option is enabled. 

   Info
   The user-mgt.xml file consists of configurations for the primary user store. If you are trying to configure this for a secondary user store, modify the relevant user store configuration file found in the [PRODUCT_HOME]/repository/deployment/server/userstores directory instead.

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1. Code Block
   language xml
   <Property name="UsernameWithEmailJavaScriptRegEx">^[\S]{3,30}$</Property>

2. Configure the following set of parameters in the user-mgt.xml file under the relevant user store manager tag, depending on the type of user store you are connected to (LDAP/Active Directory/ JDBC).

   Note
   Note: These properties have not been added by default for the JDBCUserStoreManager. Therefore, if you are using a JDBC-based user store,

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1. add the properties marked with an asterisk * to the user-mgt.xml file under the relevant user store manager tag. For any other type of user store, simply modify the values of all the properties listed below.

   Parameter	Description
   UserNameAttribute

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1. 	For this you need to set mail attribute of the user. Code Block language html/xml <Property name="UserNameAttribute">mail</Property>
   UserNameSearchFilter	For this you need to use the mail attribute of the user instead of cn or uid. Code Block language html/xml <Property name="UserNameSearchFilter">(&amp;(objectClass=identityPerson)(mail=?))</Property>
   UserNameListFilter	For this you need to use the mail attribute of the user. Code Block language html/xml <Property name="UserNameListFilter">(&amp;(objectClass=identityPerson)(mail=*))</Property>
   UserDNPattern	This parameter is used to speedup the LDAP search operations. You can comment out this config. Code Block language html/xml <!--Property name="UserDNPattern">cn={0},ou=Users,dc=wso2,dc=com</Property-->

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1. UsernameJavaScriptRegEx * (This property is relevant to JDBCUserStoreManager)

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1. Change this property under the relevant user store manager tag as follows. This property

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1. allows you to add special characters like "@" in the user name. Code Block language xml <Property name="

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1. UsernameJavaScriptRegEx"

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1. >^[a-zA-Z0-

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1. 9._

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1. -]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$</Property>
   Realm configurations	The AdminUser username should use the email attribute of the admin user. Code Block language html/xml <AdminUser> <UserName>admin@wso2.com</UserName> <Password>admin</Password> </AdminUser>

2. Restart the server.