We would like to use a custom mailbox for all transactional emails sent by the store. Sometimes a customer replies to f.e. an order confirmation email and this email then also is sent to this mailbox.
As this mailbox is not checked regularly we would like to add a reply-to-email to all transactional emails. This is not possible out-of-the-box in Magento 2.4. Is there a solution how to add it programmatically to all transactional emails?