A private subnet across multiple datacenters, that works for multiple OSes, that is fast, easy to manage en reasonably secure? That sounds like a piece of software that is to good to be true, but zerotier has it all, I think.
Well, what is there to say. Email is bad, very bad actually. I host some mailing list for group of friends, and all emails were flagged as spam. Normally, this is not a problem since I use mailgun as an external SMTP host. Or that is what I thought, but postfix (the MTA that mailgun […]