Minimum system requirements are 2 vCPUs, 8GB of memory, and 100GB of disk space (as of version 3.0.1.2). However, these are just minimum requirements.

It is recommended to scale up for higher workloads and add additional disk space if you are going to receive and send higher volumes of mail.

Monitoring of your eFa is important to ensure that adequate resources are available.

There are currently 3 options to deploy eFa, deploying on of the VM image is the most common way to start with eFa.

If you don't have the option to deploy an Virtual Image (on some VPS hosters for example) you can build eFa using the build scripts.

1. Visit https://efa-project.org/download/ to download your eFa VM for your hypervisor.
2. Import the appliance into your hypervisor.
   1. Deploying on VMware
   2. Deploying on Hyper-V
3. Power on the virtual machine
4. Follow the console prompts to configure your eFa.
5. After you configure eFa and it reboots, it is recommended that you run an update.
   1. sudo /usr/local/sbin/EFA-Update -update

• Building E.F.A.
• Deploying E.F.A. on clean CentOS installation

• Initial Configuration
• Post Configuration
  • Adding mail domains