Hello,
The new support portal is now running over HTTPS.
This means that you should no longer see a problem with the certificate when using the support portal.
The HTTP URL is automatically redirected to HTTS.
As a side note, old support tickets are no longer available to access. If you have a pending ticket in the old system, you will still receive a response by email.
All new requests (through any channel) should go the new portal, nevertheless.
Moroni