Installing Slimta on OpenBSD

This tutorial will guide you through the installation process of Slimta on OpenBSD. Slimta is a Python-based MTA (Mail Transfer Agent) that is designed to be lightweight and efficient.

Prerequisites

Before you start the installation process, make sure that you have the following prerequisites:

You can check whether these prerequisites are met or not by typing the following commands in the terminal:

$ python3 --version
$ pip3 --version
$ pkg_info | grep openssl

If these commands do not return any errors then you are good to go.

Installation

Follow these steps to install Slimta on OpenBSD:

  1. Install the required Python packages:
$ pip3 install slimta
  1. (Optional) If you want to use the postfix MTA, install the required package:
$ pip3 install slimta[postfix]
  1. (Optional) If you want to use the sendmail MTA, install the required package:
$ pip3 install slimta[sendmail]
  1. (Optional) If you want to use the exim MTA, install the required package:
$ pip3 install slimta[exim]
  1. (Optional) If you want to use the qmail MTA, install the required package:
$ pip3 install slimta[qmail]

Configuration

Once the installation is complete, you can configure slimta by creating a configuration file in the /etc directory. Here is an example configuration file:

[slimta]
logging = syslog
log_level = INFO
spool_directory = /var/spool/slimta/
relay_host = smtp.example.com

[relay]
username = username
password = password

You can modify the configuration file according to your requirements. To use the configuration file, pass the path to the configuration file as a command line argument to the Slimta executable:

$ slimta -c /etc/slimta.conf

Conclusion

That’s it! You have successfully installed and configured Slimta on OpenBSD. You can now use Slimta as your MTA to send and receive emails with ease.

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