How To Install postfix-pcre on Ubuntu 20.04
Introduction
In this tutorial we learn how to install postfix-pcre on Ubuntu 20.04.
What is postfix-pcre
postfix-pcre is:
Postfix is Wietse Venema’s mail transport agent that started life as an alternative to the widely-used Sendmail program. Postfix attempts to be fast, easy to administer, and secure, while at the same time being sendmail compatible enough to not upset existing users. Thus, the outside has a sendmail-ish flavor, but the inside is completely different.
This provides support for PCRE (perl compatible regular expression) maps in Postfix. If you plan to use PCRE maps with Postfix, you need this.
Package: postfix-pcre Architecture: amd64 Version: 3.4.10-1ubuntu1 Priority: optional Section: mail Source: postfix Origin: Ubuntu Maintainer: Ubuntu Developers [email protected] Original-Maintainer: LaMont Jones [email protected] Bugs: https://bugs.launchpad.net/ubuntu/+filebug Installed-Size: 120 Depends: libc6 (>= 2.4), libpcre3, postfix (= 3.4.10-1ubuntu1) Breaks: postfix (« 3.1.3-7~) Replaces: postfix (« 3.1.3-7~) Filename: pool/main/p/postfix/postfix-pcre_3.4.10-1ubuntu1_amd64.deb Size: 19468 MD5sum: 1a936dff612bee74f604430303362479 SHA1: 4c3d43ffa90434dfc92be5ec706c0efc66b87b7f SHA256: 99dd5f1ff342e11761c52379fbde7efbeb4ca6e05ca9ab7dd344760da96e815a Homepage: http://www.postfix.org Description-en: PCRE map support for Postfix Postfix is Wietse Venema’s mail transport agent that started life as an alternative to the widely-used Sendmail program. Postfix attempts to be fast, easy to administer, and secure, while at the same time being sendmail compatible enough to not upset existing users. Thus, the outside has a sendmail-ish flavor, but the inside is completely different.
This provides support for PCRE (perl compatible regular expression) maps in Postfix. If you plan to use PCRE maps with Postfix, you need this.
There are three methods to install postfix-pcre on Ubuntu 20.04. We can use apt-get, apt and aptitude. In the following sections we will describe each method. You can choose one of them.
Install postfix-pcre Using apt-get
Update apt database with apt-get using the following command.
sudo apt-get update
After updating apt database, We can install postfix-pcre using apt-get by running the following command:
sudo apt-get -y install postfix-pcre
Install postfix-pcre Using apt
Update apt database with apt using the following command.
sudo apt update
After updating apt database, We can install postfix-pcre using apt by running the following command:
sudo apt -y install postfix-pcre
Install postfix-pcre Using aptitude
If you want to follow this method, you might need to install aptitude first since aptitude is usually not installed by default on Ubuntu. Update apt database with aptitude using the following command.
sudo aptitude update
After updating apt database, We can install postfix-pcre using aptitude by running the following command:
sudo aptitude -y install postfix-pcre
How To Uninstall postfix-pcre on Ubuntu 20.04
To uninstall only the postfix-pcre package we can use the following command:
sudo apt-get remove postfix-pcre
Uninstall postfix-pcre And Its Dependencies
To uninstall postfix-pcre and its dependencies that are no longer needed by Ubuntu 20.04, we can use the command below:
sudo apt-get -y autoremove postfix-pcre
Remove postfix-pcre Configurations and Data
To remove postfix-pcre configuration and data from Ubuntu 20.04 we can use the following command:
sudo apt-get -y purge postfix-pcre
Remove postfix-pcre configuration, data, and all of its dependencies
We can use the following command to remove postfix-pcre configurations, data and all of its dependencies, we can use the following command:
sudo apt-get -y autoremove --purge postfix-pcre
References
Summary
In this tutorial we learn how to install postfix-pcre package on Ubuntu 20.04 using different package management tools: apt, apt-get and aptitude.
