how to setup IMAPs with letsencrypt

[Richard Hector]

On 22/04/22 11:57, Joseph Tam wrote:
> Keep in mind the subject name (CN or SAN AltNames) of your certificate
> must match your IMAP server name e.g. if your certificate is
> made for "www.mydomain.com", you'll have to configure your IMAP
> clients to also use "www.mydomain.com" as the IMAP server name.
> 
> This typically means the web and IMAP server must reside on the
> same server, otherwise you'll have to use DNS challenge method
> to support multiple hostnames on the same certificate.

_A_ web server has to be there. It doesn't have to serve anything else 
useful. My mail server has a web server that only serves the LE 
challenge. Well, actually it's a proxy server that serves several other 
domains too, but there's nothing else served on that domain (at the moment).

Cheers,
Richard