dovecot-antispam software package provides Dovecot plugins for training spam filters, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install dovecot-antispam
dovecot-antispam is installed in your system.
Make ensure the dovecot-antispam package were installed using the commands given below,
$ sudo dpkg-query -l | grep dovecot-antispam *
You will get with dovecot-antispam package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | |
| Package | dovecot-antispam |
| Version | 2.0+20130912-2 |
| Description | Dovecot plugins for training spam filters |
| Sub Section |