Download Image for RPi4

Instruction for Email Server

To install the image on an RPi4, configure port forwarding for your router first (follow instruction for email server). Then, download and save the image to a 64Gb sdcard.
Next, go to your local IP at https://192.168.1.4/postfixadmin/public/raspmailinstall/index.php
Username:ubuntu
Password:berry123
Next, go to Main Domain tab, and put in your company's domain name and submit the form.
Finally, login to https://192.168.1.4/postfixadmin/public/login.php and login with U: admin@admin.com and P:berry123. Create a domain name and mailbox. You may now use your newly created emailbox.