For some reason the "connecting Micro Focus Service Desk to a Cloud provider" section inside the manual is skipped over quite quickly, and with no knowledge or a starting point this might be a headache.
A tip for connecting Google Apps for Business accounts to Micro Focus Service Desk as the Email connector:
By default the TLS Handshake that Micro Focus Service desk initiates fails to meet the security requirements of the Google Servers (Logged a bug for this) and the only way is to adapt your Google Apps security settings to allow it to communicate using a "Lesser secure apps" (As they call it)