How to Configure User Quota in Dovecot & PostfixAdmin

This tutorial is going to show you how to configure user quota in Dovecot and PostfixAdmin.

Prerequisites

To follow this tutorial, it’s assumed that Postfix SMTP server and Dovecot IMAP server have been installed on your mail server. If not, please use the following tutorials.

Ubuntu

• Setting up a basic Postfix SMTP server on Ubuntu
• Install Dovecot IMAP server on Ubuntu & Enable TLS Encryption

CentOS 8/RHEL 8

• Setting up a basic Postfix SMTP server on CentOS 8/RHEL 8
• Install Dovecot IMAP Server on CentOS 8/RHEL 8 & Enable TLS Encryption

It’s also assumed that you have installed PostfixAdmin, the web-based mail management tool, on your mail server.

Ubuntu 18.04

• PostfixAdmin — Create Virtual Mailboxes on Ubuntu 18.04 Mail Server

Ubuntu 20.04

• PostfixAdmin — Create Virtual Mailboxes on Ubuntu 20.04 Mail Server

CentOS 8/RHEL 8

• PostfixAdmin — Create Virtual Mailboxes on CentOS 8/RHEL 8 Mail Server

Note that if you set up your email server using iRedMail before, user quota is already configured on your server, so you don’t need to follow this tutorial.

Read full tutorial here: https://www.linuxbabe.com/mail-server/user-quota-postfixadmin-dovecot