How To Install spamass-milter on CentOS 8

spamass-milter is Milter (mail filter) for spamassassin

Introduction

In this tutorial we learn how to install spamass-milter on CentOS 8.

What is spamass-milter

A milter (Mail Filter) application that pipes incoming mail (including things received by rmail/UUCP) through SpamAssassin, a highly customizable spam filter. A milter-compatible MTA such as Sendmail or Postfix is required.

We can use yum or dnf to install spamass-milter on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install spamass-milter.

Install spamass-milter on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install spamass-milter using dnf by running the following command:

sudo dnf -y install spamass-milter

Install spamass-milter on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install spamass-milter using yum by running the following command:

sudo yum -y install spamass-milter

How To Uninstall spamass-milter on CentOS 8

To uninstall only the spamass-milter package we can use the following command:

sudo dnf remove spamass-milter

spamass-milter Package Contents on CentOS 8

/etc/sysconfig/spamass-milter
/run/spamass-milter
/run/spamass-milter/spamass-milter.sock
/usr/lib/.build-id
/usr/lib/.build-id/46
/usr/lib/.build-id/46/44ce9ae6030d1689bc3fc9de62b355ec172dce
/usr/lib/systemd/system/spamass-milter-root.service
/usr/lib/systemd/system/spamass-milter.service
/usr/lib/tmpfiles.d/spamass-milter.conf
/usr/sbin/spamass-milter
/usr/share/doc/spamass-milter
/usr/share/doc/spamass-milter/AUTHORS
/usr/share/doc/spamass-milter/ChangeLog
/usr/share/doc/spamass-milter/NEWS
/usr/share/doc/spamass-milter/README
/usr/share/man/man1/spamass-milter.1.gz
/var/lib/spamass-milter

References

Summary

In this tutorial we learn how to install spamass-milter on CentOS 8 using yum and dnf.