Unable to log into a URL https://spammanager-3.messagelabs.com or an error is encountered when trying to login.
"Your Connection is not secure"
https://spammanager-3.messagelabs.com is a legacy login.
Use either https://us.quarantine.symantec.com or https://eu.quarantine.symantec.com depending on if the account is provisioned under a US or EU cluster.