Friends - Apparently I wasn't clear. Sorry about that. This isn't a new venture. Long ago, I considered and decided to move forward against the sage advice "if you're thinking about DIY SMTP, don't". I've been running our Postfix/Dovecot servers for years now. I have no problem with that, and I've dealt with the RBLs and other issues mentioned. It's the additional burden imposed by others that has raised the priority on this:
- Too many receiving servers using bad RBLs and for the wrong reasons. - Too many bad actors allowed to commission services. - Global IP address pools that are easily compromised. - Hosts that can't keep up with the damage from the above bad decisions. - IPv6 not globally implemented yet. Use existing services? A typical cheap service costs $5/user/domain/month. (Free? Not when you use your own domains.) For just 1 user and 10 domains, that $50 is already more than what I pay for two cloud servers. Multiply that by more users and domains. I'm also running DNS, websites, and other services on these systems (arguable practice, but remember, low volume), and I'm already paying for these servers, so new services only start at doubling my costs. And because services don't guarantee anything better, we'll still be subject to the same issues. Been there, done that, not interested. So for this inquiry I really am asking about reliable hosts - anywhere in the world. That may or may not include names like Hetzner, Vultr, or AWS - I'm looking for confirmations. I mean, most people here are running in a data center - I'd really like to know who is providing the stable resources. Or is this a unicorn that doesn't exist? Thanks again.
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