cron-deja-vu software package provides filter for recurring cron mails, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install cron-deja-vu
cron-deja-vu is installed in your system.
Make ensure the cron-deja-vu package were installed using the commands given below,
$ sudo dpkg-query -l | grep cron-deja-vu *
You will get with cron-deja-vu package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | |
| Package | cron-deja-vu |
| Version | 0.4-5 |
| Description | filter for recurring cron mails |
| Sub Section |