"Joe Doe \(from Somewhere\)" <doe@example.com>, postmaster@example.com, root
mailbox : doe
host    : example.com
personal: "Joe Doe \(from Somewhere\)"
mailbox : postmaster
host    : example.com
personal: 
mailbox : root
host    : example.com
personal: 
Array
(
    [0] => stdClass Object
        (
            [personal] => "Joe Doe \(from Somewhere\)"
            [comment] => Array
                (
                )

            [mailbox] => doe
            [host] => example.com
        )

    [1] => stdClass Object
        (
            [personal] => 
            [comment] => Array
                (
                )

            [mailbox] => postmaster
            [host] => example.com
        )

    [2] => stdClass Object
        (
            [personal] => 
            [comment] => Array
                (
                )

            [mailbox] => root
            [host] => example.com
        )

)