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Here's a question I haven't seen anyone ask: What about email servers (SMTP/IMAP)? I need a good cert for that more than I do for https, personally. I could obv

Here's a question I haven't seen anyone ask: What about email servers (SMTP/IMAP)? I need a good cert for that more than I do for https, personally. I could obviously have a web server up just to succeed at the challenge/response and get a certificate, but I actually just try to avoid running webservers at all these days, to be honest. I'm also not 100% that certificate would work.

yuriks 12y ago
The technical overview mentions that there can be various different kinds of challenges, so presumably you could use a DNS based one or even an email based one if it's implemented.
- bifurcation 12y ago
  That's correct. Also, if you've got an A/AAAA record for the domain name in question, you could run an ACME client on that box that spins up a temporary web server. That's what the node-acme demo client does. https://github.com/letsencrypt/node-acme/blob/master/lib/acme.js#L174 https://github.com/letsencrypt/node-acme/blob/master/lib/acm...