Postfix BCC All Outgoing Mail For User or Domain

In this article we’re going to learn how to configure Postfix to BCC all outgoing mail for a domain or specific user.

First, let’s create the following file in Postfix with the following command:

nano /etc/postfix/sender_bcc_maps

To BCC all outgoing mail for a single domain, use the following:

*@example-a.tld          [email protected]
*@examble-b.tld          [email protected]

If you would only like to BCC outgoing mail for a specific user account, use the following:

[email protected]          [email protected]
[email protected]          [email protected]

You can use any combination of the above configurations in the /etc/postfix/sender_bcc_maps file.

Save the file.

Next, we’re going to add the following snippet to our /etc/postfix/main.cf

# BCC Outgoing Mail
sender_bcc_maps = hash:/etc/postfix/sender_bcc_maps

Finally, to finish the configuration, we’ll run the following:

postfix reload