set_cc
Since: Version 2025.10.06-5ec871ab
The functionality described in this section requires version 2025.10.06-5ec871ab of KumoMTA, or a more recent version.
Assign the VALUE to the Cc header.
VALUE may be either a string or be an AddressList.
If you assign using a string, the string will be parsed and validated as being compatible with AddressList before allowing the assigment to proceed.