Setting mail service
From BrainyCP
To configure the mail service in the BrainyCP hosting control panel, go to the "Mail" / "Mail Service Settings" section. In the "Settings" block, you can configure the status of various options, as well as restrictions on the number of emails sent per hour and on the maximum size of one letter:
To enable a particular option, use the switch opposite it.
DNSBL servers (blacklists of domains and IP addresses) are added in the Manage Custom RBLs block (blacklist list). Click the "Save" button to confirm the changes in the blacklist. For more information about adding servers and checking the IP address in blacklists, see p. "Checking IP addresses in blacklists".