in .qmail: |qbiff
qbiff writes a message to your screen whenever a new mail message is delivered, if you ran biff y after logging in. WARNING: If you create a .qmail file to enable qbiff, make sure to also add a line specifying delivery to your normal mailbox. For example: /home/joe/Mailbox |qbiff
biff(1), dot-qmail(5) 1 s/qmail:(qbiff)