In the new message, the important text you had highlighted is quoted which shows what you are responding to for others to follow. Turn MIME html coding off in your mail preferences when sending messages to the list. Older browsers do not support html MIME formatting, and these attachments and MIME html coding show up as garbage or extra text. Older software do not support html MIME formatting. These attachments and MIME html coding show up as garbage or extra text.
All messages go out in plain text.
Click that - only the message you are editing will be sent in plain text. If you are using Outlook and you are on a Macintosh, try going into 'preferences' and select 'message composition' and in that pane, select 'plain text' and 'use internet quoting'. To obtain the properties of an entry in a PAB, select the entry and choose Properties from the File menu. Bring up the properties of the Internet Mail Connector. The 'Send Microsoft Exchange Rich Text' list box controls the sending of rich-text data.