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Create SSL for mail.[domain]

Posted: Wed 17. Sep 2025, 11:03
by curiousclumsy
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:
Image

Thanks

Re: Create SSL for mail.[domain]  [SOLVED]

Posted: Wed 17. Sep 2025, 11:13
by Florian
Hallo,

create mail.domain as normal domain in Keyhelp and activate Let's Encrypt for it.