This is a great utility for managing POP3 mailboxes. In addition to producing a listing of all the items in a mailbox, it can also be setup to retrieve a set number of lines from the beginning each message so they can be easily reviewed while still on the server. In addition, individual or groups of messages can be marked for deletion without downloading them. The author is extremely responsive to requests and concerns and is actively improving and expanding the features and capabilities of the program. If you have a need to manage or troubleshoot one or more POP3 accounts then purchasing Mailbox Manager for $10 will be money well spent.