Each line contains one and only one command. Extra spaces are not permitted in a command line. Each command can be in upper or lower case. If the address is already in the digest list, it is first removed from the digest list. If the address is already in the subscriber list, it is not added.
Name is optional.
If the address is already in the subscriber list, it is first removed from the subscriber list. If the address is already in the digest list, it is not added. Name is optional. OldAddr NewAddr Name Changes the address of a subscriber. Name is optional.