How To Install sqlgrey on Fedora 36

In this tutorial we learn how to install sqlgrey in Fedora 36. sqlgrey is Postfix grey-listing policy service

Introduction

In this tutorial we learn how to install sqlgrey on Fedora 36.

What is `sqlgrey`

SQLgrey is a Postfix grey-listing policy service with auto-white-listing written in Perl with SQL database as storage backend. Greylisting stops 50 to 90% of junk mails (spam and virus) before they reach your Postfix server (saves BW, user time and CPU time).

We can use yum or dnf to install sqlgrey on Fedora 36. In this tutorial we discuss both methods but you only need to choose one of method to install sqlgrey.

Install sqlgrey on Fedora 36 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

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

sudo dnf -y install sqlgrey

Install sqlgrey on Fedora 36 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

After updating yum database, We can install sqlgrey using yum by running the following command:

sudo yum -y install sqlgrey

How To Uninstall sqlgrey on Fedora 36

To uninstall only the sqlgrey package we can use the following command:

sudo dnf remove sqlgrey

sqlgrey Package Contents on Fedora 36

/etc/sqlgrey
/etc/sqlgrey/README
/etc/sqlgrey/clients_fqdn_whitelist
/etc/sqlgrey/clients_ip_whitelist
/etc/sqlgrey/discrimination.regexp
/etc/sqlgrey/dyn_fqdn.regexp
/etc/sqlgrey/smtp_server.regexp
/etc/sqlgrey/sqlgrey.conf
/usr/bin/sqlgrey-logstats.pl
/usr/lib/systemd/system/sqlgrey.service
/usr/sbin/sqlgrey
/usr/sbin/update_sqlgrey_config
/usr/share/doc/sqlgrey
/usr/share/doc/sqlgrey/CONTRIB
/usr/share/doc/sqlgrey/COPYING
/usr/share/doc/sqlgrey/Changelog
/usr/share/doc/sqlgrey/FAQ
/usr/share/doc/sqlgrey/HOWTO
/usr/share/doc/sqlgrey/README
/usr/share/doc/sqlgrey/README.DBCLUSTER
/usr/share/doc/sqlgrey/README.DISCRIMINATION
/usr/share/doc/sqlgrey/README.OPTINOUT
/usr/share/doc/sqlgrey/README.PERF
/usr/share/doc/sqlgrey/TODO
/usr/share/man/man1/sqlgrey.1.gz
/var/lib/sqlgrey
/var/lib/sqlgrey/sqlgrey.db

References

sqlgrey website

Summary

In this tutorial we learn how to install sqlgrey on Fedora 36 using yum and [dnf]((/fedora/36/dnf/).