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I use the same certificate for http and smtp on my small personal server since they have the same hostname and it's easier to generate with Let's Encrypt throug
by blfr 5y ago
I use the same certificate for http and smtp on my small personal server since they have the same hostname and it's easier to generate with Let's Encrypt through http.
- kroeckx 5y agoI suggest you have a hostname for each service. So you could change the hostname of the mx but have it point to the same IP address. You can then have a certificate for each hostname. Certbot can generate/renew the certificate using http even if that hostname normally doesn't do http.