Email messages sent by Lotus Notes are not encrypted or an error message is displayed by Lotus Notes. The error messages displayed by Lotus Notes may include:
This issue can be caused by the format of the server name on the Servers tab in the Location document in Lotus Notes.
When using Lotus Notes with PGP Desktop, your server must use the full host/orgName in your Location Document.
To resolve this issue, change the format of the server name to use the full Notes server name.