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Trying to enable TLS on a UTM9 9.510-5
The steps i have done so far is:
1. created a certificate Signing request
2.got it signed from a public CA
3. Exported the certificate with chain as in .p12 format
4. installed the certificate via Certificate Management > New Certificate > Upload
5. under Email Protection > SMTP > Advanced > TLS Settings > selected the certificate, TLS version = TLS v1 or higher
Require TLS Negotiation Host/Nets = empty
Require TLS Negotiation Sender Domains = empty
Skip TLS Negotiation Hosts/Nets = Any
When testing SMTP TLS i Got no STARTTLS option
Should the configuration offer TLS?
I think the following is wrong and prevents TLS
Please set this to empty.
Tell us the results.
In reply to Alexander Busch:
Thanks Alex, That did the trick :-)
In reply to Jesper Hanno Hansen:
Since you're in the EU, you might want to select TLSv1.2 to comply with the GDPR.
Cheers - Bob