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If you are still using CentOS 7.9, it's time to convert to Alma 8 with the free centos2alma tool by Plesk or Plesk Migrator. Please let us know your experiences or concerns in this thread:
CentOS2Alma discussion
Question Secure mail part of domain with Lets Encrypt
- Thread starter psxeu
- Start date
ChristophRo
Regular Pleskian
There is currently no nice way to do that and while some workarounds* should be possible, they are limited in their use.
So in general you're best of using "your.plesk-server.name" as mailserver for your customers and not mail.domain.tld
* such a workaround would be to create a normal domain, name it "mail.xxxx.com" and use LetsEncrypt on that. (dns and mail service should be disabled for that)
For every further domain on your server, you can then add "mail.xxxx.com" as an alias domain and make sure it's also covered by the LetsEncrypt Certificate.
Under "Tools & Settings" -> "SSL/TLS Certificates" -> "Certificate for securing mail" you then choose the "mail.xxxx.com"s domain LetsEncrypt certicate from the server pool
So in general you're best of using "your.plesk-server.name" as mailserver for your customers and not mail.domain.tld
* such a workaround would be to create a normal domain, name it "mail.xxxx.com" and use LetsEncrypt on that. (dns and mail service should be disabled for that)
For every further domain on your server, you can then add "mail.xxxx.com" as an alias domain and make sure it's also covered by the LetsEncrypt Certificate.
Under "Tools & Settings" -> "SSL/TLS Certificates" -> "Certificate for securing mail" you then choose the "mail.xxxx.com"s domain LetsEncrypt certicate from the server pool
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