Domain mapping lookup tables
virtual_maps
This parameter specifies optional lookup tables to redirect specific addresses
or even complete domains to another address. This is typically used to
implement virtual domain support.
By default, no address redirection is done.
Examples:
- dbm:/etc/postfix/virtual
- hash:/etc/postfix/virtual
- hash:/etc/postfix/virtual, nis:virtual
- hash:/etc/postfix/virtual, netinfo:/virtual