Mail canned response.
Shows list of all users with their online status in the chatter box
Mail Chatter Cancel button
Configure what to do when user clicks on 'Send message' button in chatter: open composer, or use chatter.
Allow to change the colour of threads
You can toggle mail chatter by using this module. | Mail | Discuss | Chatter | Mail Chatter | Toggle | Inbox | Mail Chatter Toggle | Minimize and Maximize Mail Chatter | Mail Chat Toggle | Chat Log
Show chat history in mail composer dialog.
Introduce categories for mail templates and display mail templates in mail composer dialog as tree view.
Send a Mail Delivery Failure Notification to specific email.
Substitution
Display a note about followers and recipients at the top of mails sent by odoo
Mail Force Sender (Fix zoho mail / smtp relaying)
Geminate comes with a feature to auto-set email's email_from alias based on company-specific. It provides an additional field to configure email_from alias under users settings and it will auto-set based on the currently active company of the logged-in user.
Convert style tags in inline style in your mails
Mails with inline Images
Allow you to add like reactions as FB (like, haha, wow, love, sad, angry, ...)
Odoo Desktop Notification for Message mail one single notification mail push notification for messages push notification for browser message notification for browser web push notification for mail desktop notification for mail browser message notification
Make a reply using a message
Extra features for free 'Mail Messages Draft' app