Been hosting my own email for over 20yrs. Get a vps at some reputable hoster, and make this a dedicated mailserver. Be sure to setup all dns records that are required, and rollout antispam measures.
phein4242
joined 1 year ago
Thing is, you grew up in the pioneering age of computing, and in that time you needed to do everything yourself. This gave you a bunch of skills for free, that are hard to do today, because most of the hard stuff is automated away and snuck behind a gui and/or containers.
Alma, Talos, OpenBSD
OpenLDAP multi-master with a bunch of custom schemas.
Can you explain what you mean with lightweight?
You expressed yourself just fine and my question is still valid. Do you have the capacity to handle multi Tbit traffic on the edge ips that you use to hide the backend ips? Because if all of those are flooded, not only will the backend app be unreachable, but all your customers will be unreachable as well.
Even if you can get the appZTNA stuff to work (which I doubt), how is your infra going to absorb multi Tbit traffic without customer impact?
You will be in for a surprise once you learn about tcpdump ;-) Welcome to internet hosting!
Read the changelogs from 1.5.3 to 1.5.5 and see if you need to take additional steps
ngircd has the concept of a global password. Distribute this password and you’ve got a simple psk based acl mechanism
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See this howto: https://poolp.org/posts/2019-09-14/setting-up-a-mail-server-with-opensmtpd-dovecot-and-rspamd/
I have delivery to the inbox of all major providers using this. Email is not that hard..