To install and configure Postfix on Ubuntu 23.10, follow these steps:
Step 1 : To install Postfix, start by updating your system:
Step 2 : Install Postfix with the following command.
- General mail configuration type: Choose "Internet Site" and press Enter.
- System mail name: Enter your system's fully qualified domain name (FQDN).
Step 3 : Configure Postfix:
After installing Postfix, you need to configure it. The following steps will guide you through the configuration process:
- Run the configuration tool:
- Choose "Internet Site" when prompted and press Enter.
- Enter your system's fully qualified domain name (FQDN) when prompted.
- Recipient for root and postmaster mail: Enter the email address (e.g., root and postmaster).
- Other destinations to accept mail for (blank for none): $myhostname, example.com, mail.example.com, localhost.example.com, localhost
- Local networks: Specify the networks that are allowed to use your mail server.
- Mailbox size limit (bytes): Enter the size limit for mailboxes in bytes. The default (0 for unlimited) is usually fine.
- Local address extension character : (+)
- Internet protocols to use: all.
Step 4 : Verify the Postfix status:
Step 5 : Test Postfix by sending an email.
- First, install mailutils:
- Then, use a temporary mail service like temp-mail.org to:
- Open a temporary email page.
- Send an email to the temporary email address.
- Check the temporary email page for the received email.
Step 6 : Check the mail log for any issues:
Congratulations! You have successfully installed and configured Postfix on Ubuntu 23.10, and tested its functionality.