Sending e-mail with new comment failed: SendEmail failed. First exception on row 0; first error: INSUFFICIENT_ACCESS_OR_READONLY, Not profiled to access this Org-wide Email Address: []
Email to Case Premium uses Organization-Wide Addresses for sending out emails and respects its own controls for limiting access, configured through Salesforce Setup. When non-administrators or users not specified in the configurations of the Organization-Wide Addresses try to add a comment and send an email they receive the following error: Sending e-mail with new comment failed: SendEmail failed. First exception on row 0; first error: INSUFFICIENT_ACCESS_OR_READONLY, Not profiled to access this Org-wide Email Address: []