Geminate comes with a feature to support company wise multiple alias domains for helpdesk teams which will create tickets from incoming emails when the incoming mail server is configured proper company specific. you can set multiple alias domains and their name in "Helpdesk Team".
Mail SMTP and IMAP + Alias Domain By Company Reply-to
Mail SMTP and IMAP By Company All in One
Restrict save as new template button from the send email wizard
Monitor Outgoing Mail Server Status | Failed Email Tracking | Real-Time Administrator Alerts | Email Delivery Monitoring | SMTP Connection Testing | Failed Email Notifications | Odoo 15
Send Odoo emails through user-specific outgoing SMTP servers
Allows displaying email recipients in the email body
Set the default reply and cc email for compose mail from the mail template and company
This module is used to manage multi-company mail templates and send different emails from different companies across all the models in odoo.
Mail Template Multi Website it will send the mail from selected website true in mail template you can send mail from different website.
Fix mail templates for multilingual
Auto unsubscribe followers before sending a message.
Choose if you want to automatically add new recipients as followers on mail.compose.message
Send email to parent partner if partner's email is empty
Mail/Message Related Source Document Link
Contact Integration
This module is used to send or receive mail through the recipient, user can do the following types of message-send message, inbox message, starred or unstarred message, etc.
Odoo MailChimp provides functionality to sync lists and export campaigns.