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Resolved Lets Encrypt - Outlook/Thunderbird Certificate Worning

Sebbor1

New Pleskian
I have setup: "Certificate for securing mail Lets Encrypt certificate from server pool."
This cert is for my own domain: my-example.pl and this cert is default for all serwer domains.

For my client domain: client-example.pl I,m also generate lets encrypt cert and it works on https://client-example.pl and https://webmail.client-example.pl
But in Otlook or Thunderbird it generates an worning : "Certificate can not be verified"
It happeneds becouse Otlook tried verify main serwer cert. "my-example.pl" not "client-example.pl"

How can I change Certificate to securing email for each domain to its own lets encrypt cert. ??
 
This is something being worked on for the next release.
It's completely different than the recently added LetsEncrypt support for webmail
 
I have no idea really.
All I know is that there is a 17.8 Preview 4 of August 7th 2017 and that should be part of it.
 
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