WordPress Private Message Plugin allows site members to send private messages (PM) to each other or site admin. Users will have their own inbox and sent box. WordPress Private Message Plugin is a great choice for you if you want to implementa front-end messaging systemfor your users.
WordPress Private Message Plugin Features:
An authorized user can send messages to any user ( or admin ) on your site using their username
Front-end inbox for managing messages
Sent message box to track history
Control message limit for different user role
Enable/Disable messaging between users and site admin
Receive admin messages to a custom email address
Send a message to any site members from the admin side
Role based chat message limit option
Admin can send message to multiple users or users in any specific user role or all users in a single action

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