did not encrypt this message


I am facing issue did not encrypt this message in Gmail, can anyone help me to solve this issue? Please check the attachment below. or you can check:

Closed (won't fix)
Virtualmin version: 
Webmin version: 


Ilia's picture
Submitted by Ilia on Mon, 04/05/2021 - 14:00


By default, Virtualmin if installed using official script have TLS enabled for Postfix.

I think you could try clicking Copy to Postfix button to automatically set smtpd_tls_security_level to may or use Servers ⇾ Postfix Mail Server module to do it, on SMTP Authentication And Encryption page, with its Enable TLS encryption option, setting it to If requested by client.

Ilia's picture
Submitted by Ilia on Tue, 04/06/2021 - 14:59

Apparently TLS certificate authority file is missing. Try first suggestion described above with clicking Copy to Postfix button.

For further questions pleas visit Virtualmin Forums.


I can't able to fix it, can you help me to fix it ASAP?.

Ilia's picture
Submitted by Ilia on Mon, 04/19/2021 - 06:22

We're sorry that you're having a problem with your mail encryption.

It looks like you're using Virtualmin GPL there though, the area here is for folks using Virtualmin Pro.

It's no problem to get support but you'd want to use the forums for support.

We monitor the forums, along with lots of wonderful folks in the community.