Lets Encrypt Cert for FTP/Mail?

Hey,

little question:

can i use the lets encrypt certificate what i created for my domain.tld for ftp tls and mail tls instead of the self signed? The "certificate is not Trustworthy" warning annoys me.

Best regards

 

yes, you can.

 

Okay - the cert is created for domain.tld but my host system is on hostname srv01.domain.tld - will it also work?

 

it will provide hostname mismatch error.

 

Can this be prevented?

 

by providing a cert with the actual hostname in it.

 

possible with lets encrypt over same ip wheres hosted the hostname.tld cert?

 

ssl certs are based on domain names, not ips.

 

so, possible to create one for the hostname in this case?

 

you can

 

how without mismatch error with lets encrypt?