Resolved LE Cert for Dom-Alias only, not Domain itself

[futureweb]

Hey there,
we got some special Configurations where HTTP is hosted on another Server than the Mail-Services.
So on our Plesk Servers wo got Hostings with dom.tld which are only doing the Mails for dom.tld.
Mails are accessed (pop/smtp/imap) by mail.dom.tld.
Is it somehow possible to assign LE Cert to Domain Alias mail.dom.tld in this case where the Domain itself is not pointing to the Plesk Server?!? Cert needed for the Mail-Services ...
thx, bye from Austria
Andreas

 

[futureweb]

*solved* - create Sub-Domain für dom.tld and assign mail.dom.tld as Cert for Mail-Services