Combining the delete and print commands
Use the autoprint option to combine the delete and print subcommands.
After you read a message, you can delete it with the d subcommand.
You can display the next message with the p subcommand.
Combine these subcommands by typing the following line in your .mailrc file:
set autoprintWith the set autoprint option in the .mailrc file, the d subcommand deletes the current message and displays the next.