Create SSL for mail.[domain]
Posted: Wed 17. Sep 2025, 11:03
Hi,
My server runs on server1.[main domain].com
I have a [second domain].com and an mail.[second domain].com in Cloudflare.
However, I want to issue a lets encrypt to mail.[second domain].com in Keyhelp to allow users to use mail.[second domain].com
Is that possible?
Unless I make use of server1.[main domain].com for email clients, I get this warning:

Thanks
My server runs on server1.[main domain].com
I have a [second domain].com and an mail.[second domain].com in Cloudflare.
However, I want to issue a lets encrypt to mail.[second domain].com in Keyhelp to allow users to use mail.[second domain].com
Is that possible?
Unless I make use of server1.[main domain].com for email clients, I get this warning:

Thanks