As of 04/30/2015 Dhali’s servers where upgraded to a stronger security setting.
Client using https://mail.dhali.com will now have the latest security settings.
Microsoft and Google announced they will NOT display a secure lock in the web browser for websites using SHA-1 certificates. The require a setting of SHA-2 or higher.
If you see secure websites with one of the following indicators: “secure, but with minor errors” (lock with yellow triangle), “neutral, lacking security” (blank page icon) and “affirmative insecure” (lock with a red X). In order to prevent online users on Chrome version 39 and later from experiencing these indicators, SHA-1 SSL certificates expiring after December 31, 2015 must be replaced with SHA-256 (SHA-2) certificates.
To find out more please read the follow post
https://konklone.com/post/why-google-is-hurrying-the-web-to-kill-sha-1