Private Messages – Astoundify

Description
Private Messages is a plugin for WordPress created by Astoundify that adds private messaging functionality to your website. With this plugin, users can easily communicate with each other in a secure and private manner, making it a great addition to any online community or membership site.
List of Features:

Private Messaging
User-to-User Communication
Inbox and Sent Message Management
Notifications for New Messages
Message Notifications for Administrators
Block Users
Report Messages
Emoji Support
File Attachment Support
Customizable Email Templates
Shortcodes for Messaging
Translation Ready
User Roles and Permissions
Responsive Design
User Avatar Integration.