Thanks for the prompt response. Are you stating that for every "source" email account that is either synced or an incoming mail server, you can use this logic? A Customization OR a Server Actions OR a External filter?
Can you provide an example for each scenario? I can then have our developer work these methods to see which is the best fit
Customization: You can modify the email processing logic (e.g., message_new) to selectively or globally block contact creation based on sender addresses or domains.
Server Actions/Filters: Use server actions or custom filters to skip contact creation for specific email accounts.
External Filtering: Employ an external email filtering service to block unwanted emails before they are processed by Odoo.