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On 8/11/2015 9:25 PM, Andrew McGlashan wrote: > Now I do use a self-signed certificate with my own root CA setup, > the root certificate is installed and added to the cert store as > follows: > > > # cd /usr/share/ca-crtificates # mkdir affinity # cd affinity # > wget http://affinityvision.com.au/ca.crt # mv ca.crt > affinity-root-ca.crt > > I used "dpkg-reconfigure ca-certificates" to add it in okay. > > > Tested okay [using proper domain name] with: # openssl s_client > -connect mail.example.com:443 -CApath /etc/ssl/certs After the above steps, I fixed the problem by changing the server name via /etc/squirrelmail/config.pl Using localhost is not an option, you need the actual FQDN now. Cheers AndrewM -----BEGIN PGP SIGNATURE----- iF4EAREIAAYFAlY/aIcACgkQqBZry7fv4vvwPAD+JB15q3FE7wno/spCUIZEFK2E tHWdJKb5Jn4qHtaAj/cBAMCfuCYgyrRIH645syLTKlfa2NOw7DW6O2GC8wEMJsq+ =sUSf -----END PGP SIGNATURE-----