The list for a mass subscribe can contain lines in any of the following
formats:
jdoe@example.com
<jdoe@example.com>
John Doe <jdoe@example.com>
"John Doe" <jdoe@example.com>
jdoe@example.com (John Doe)
The last three all associate the real name "John Doe" with the subscription.
The formats can be intermixed in one mass subscribe.
