Contents
Where do I find the Postfix configuration files?
Configuration Files. The directory /etc/postfix contains Postfix configuration files. The two most important files used in the configuration of Postfix are master.cf and main.cf. These files should be owned by, and only writable by, the root user. They should be readable by everyone.
How to add users and aliases for postfix?
Note, you can store mail in an mdir format instead by adding a slash after the username. Next, run postmap against the file ( /etc/postfix/vmailbox) and postfix reload. To add an alias, go to /etc/aliases and add the alias like so:
When do I have to reload postfix file?
Whenever you make changes to these files, you have to reload Postfix for your changes to go into effect: [ 1] The master daemon is the overall process that controls other Postfix daemons for mail handling. The master daemon uses the master.cf file for its configuration information.
Is it possible to use postfix as a mail server?
Postfix is an extremely powerful and versatile mail transport agent. In this article we have seen how to implement a basic email server using postfix and dovecot for a single domain based on system user accounts.
Where to find Postfix mail logs in terminal?
When you run into postfix or email issues, first thing, you should check is postfix mail logs which are present in /var/log/mail.log file. It contains postfix’s general logs. Keeping tail -f /var/log/mail.log running in a separate terminal window will be helpful. If you can see a file /var/log/mail.err then its better to check it first.
What to do with postfix in Ubuntu 20.04?
Rather than editing this file directly, you can use Postfix’s postconf command to query or set configuration settings. To begin, set the location for your non-root Ubuntu user’s mailbox. In this guide, we’ll use the Maildir format, which separates messages into individual files that are then moved between directories based on user action.
How does postfix do a recursive lookup?
With recursive lookups, once a value is found, Postfix tries to match it against all of the keys again until a key matches itself or is not found. You may have noticed that when postmap indexes files, it creates additional files. postmap creates either one additional file with the extension .db]