If you see the MIME Save Warning dialog box, it means you are sending an email that uses Multipurpose Internet Mail Extensions (MIME) to display the formatting. You are receiving the warning because there are some features in Notes that cannot be expressed in MIME, such as hotspots and horizontal ...

You can choose whether mail sends multilingual mail messages in Unicode, Best Match, or if it prompts you each time to ask which format. In standard Notes Click File Preferences. Macintosh OS X users: Click Lotus Notes Preferences. Click the plus sign beside Mail, and then click Internet. ...