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#Ubuntu spamassassin how to
#Ubuntu spamassassin install
#Ubuntu spamassassin update
#Ubuntu spamassassin license

You can further refine and update the configurations based on your requirements.

This tutorial tries to cover all the major aspects to set up a production email server.

Make sure to replace and with your actual domain and server hostname.

This tutorial used domain for demonstration purposes.

Also, do not rush while installing your email server and make sure that you have sufficient time to debug if something goes wrong. Now take a deep breath, calm down, have a cup of tea/coffee or beer mug, put light music, relax, and follow the instructions in the subsequent sections of this tutorial. Make sure that you execute all the commands and apply all the configurations since it's really difficult to debug on missing even a single configuration.

This is a lengthy tutorial, involving several installation commands and configurations.

All the steps mentioned in this tutorial are executed and tested on Ubuntu 20.04 LTS.

#Ubuntu spamassassin how to

In the end, it also shows how to check the email server health using the standard tools. It also provides configurations to manage virtual domains and virtual users using the MySQL database management system.

#Ubuntu spamassassin install

This tutorial provides all the steps required to install Postfix as MTA, Dovecot as MDA, Postgrey as Greylisting Policy Server, Clam as Antivirus, Amavis as Content Filter, SpamAssassin as Email Spam Filter, Postfix Admin to admin domains and users, and RoundCube as Web Interface for the users. This guide provides the complete steps required to install an email or mail server on Ubuntu 20.04 LTS. A web-based interface is also required to access the email server to read/write/manage emails. Apart from the MTA and MDA, an email server also need tools for greylisting the servers, antivirus to scan the emails for well-known viruses, and spam detection tool to filter the spam emails. At the same time, the MDA reads the email queue of the MTA and save the emails to the inboxes by identifying the corresponding users.

The MTA is required to communicate or relay emails between the internet and the email server to send and receive emails to other servers. systemctl restart postfix.The major components or activities involved in setting or installing a complete email server for production usage involves MTA (Mail Transfer Agent), MDA (Mail Delivery Agent), Antivirus, Spam Detection, and Web Interface. This is followed by restarting your Postfix and enabling spamassassin to run on your server. Next, you should save this file and you can then close it. User=spamassassin argv=/usr/bin/spamc -f -e Under smtp configuration add SpamAssassin content filter smtp inet n - y - smtpd Next, you need to find the following records, which are presented below: smtp inet n - y - smtpd Setting up your Postfixįirst of all, to start configuring, you need to edit the Postfix configuration file nano /etc/postfix/master.cf The next step is to save the change file and then you can close it. Ifplugin Mail::SpamAssassin::Plugin::Shortcircuit rewrite_header Subject ***** SPAM _SCORE_ ***** Paste the information below into the file. Then you need to create a new local SpamAssassin configuration file. mv /etc/spamassassin/local.cf /etc/spamassassin/local.cf.bk Back up your local SpamAssassin configuration file.

Then you need to find the line CRON = 0 and make the same changes as before to get CRON = 1. They must include a spamassassin account OPTIONS="-create-prefs -max-children 5 -username spamassassin -helper-home-dir /home/spamassassin/ -s /home/spamassassin/spamassassin.log" Then you need to find the line OPTIONS = “- create-prefs –max-children 5 –helper-home-dir” and make changes. It is necessary to find in this directory ENABLED = 1 Uncomment it by removing the # and changing the value from 1 to 0. This is followed by editing the settings nano /etc/default/spamassassin adduser spamassasin -disabled-login Configuring SpamAssasinĪssign spamassassin to the SpamAssassin user account. The next step is to install the user and disable the login. In order to install this program, we recommend the following command: apt-get install spamassassin spamc -y You should also make sure that the 25th port of Smtp is open. The guide is geared towards servers that run Ubuntu. This program is required for any, even the simplest server, which has mail.

#Ubuntu spamassassin license

It is released under the Apache License 2.0 and has been part of the Apache Foundation since 2004. It uses a variety of spam detection techniques including DNS and fuzzy checksum techniques, Bayesian filtering, external programs, blacklists, and online databases. Apache SpamAssassin is a computer program used to filter email spam.