Forwarding mail

[Información]

Hi, somebody knows the way for:

- Forward all the email for the X mailbox (virtual, with vpopmail) to an
another Y mailbox (not necessarily a local mailbox in this server), without
delete the message in the mailbox X.
- Forward all the email for the X mailbox (virtual, with vpopmail) to an
another Y mailbox (not necessarily a local mailbox in this server), and
delete this message from the mailbox X.

Thank you