Having your own phone server can do many things for you at home or your small business. Asterisk is a free open-source PBX (Private Branch Exchange) that can manage phone calls with voicemail, email notification, blacklisting/call blocking, video conferencing, instant messaging and more. For the purposes of this article we will be covering phone calls using the SIP protocol.
There are a couple of situations where you may want your server to send email through a third party provider. A common case of this is when you run a server from home such as an Asterisk PBX for your home phone. The server is capable of sending an email when a voicemail is left. In many cases sending from a home connection will not work. As a result you may need to relay your servers email to allow delivery. In this example I will be using Postfix on Arch Linux and Zoho Mail will be the mail server I will relay through.
This is a guide designed to help you setup Arch Linux with root on ZFS with a separate boot partition. The boot partition can be any filesystem of your choice, but I will be using BTRFS as the example.
ZFS is an enterprise-grade filesystem that does RAID functions without the need for a hardware RAID controller. ZFS will work with a RAID controller, however, it is best used with unpartitioned raw disks. Some of the nice features of ZFS include:
