I’ve been a fan of nullmailer for some years now, so much so that I took ownership of the nullmailer package for Arch Linux. nullmailer is a sendmail/qmail/etc replacement MTA for hosts which relay to a fixed set of smart relays. It is designed to be simple to configure, secure, and easily extendable. The other advantage nullmailer has compared to similar tools is that is queues email until it is able to deliver it upstream. Install nullmailer as follows. packer -S --noedit --noconfirm null...
