* [SEARCHING] for messages by sender, recipient, and/or responder
The DUZ is a person's unique numeric user ID. Thus, if multiple
addressees, for example, have similar names, you can enter their local DUZ
instead of their name to choose the specific person.
NOTE: You cannot substitute the DUZ for a name when creating members of a
[PERSONAL] mail group or when [DESIGNATING] a surrogate for
In addition to entering a user's name, MailMan also allows you to enter a
person's local DUZ when performing the following functions:
* Addressing a message (including [FORWARDING] messages).
* [BECOMING] a surrogate.
* [FILTERING] mail by sender and/or recipient.