If you get lots of emails and lots of spam that requests read receipts unnecessarily, this can get tedious. Fortunately, there's a way to prevent Eudora from asking you to generate read receipts.
Prevent Eudora from Asking You to Return Read Receipts
To stop Eudora from asking you to return read receipts for messages:
- Edit the X-Eudora-Option ReadReceiptAsk.
- Set the value to 0 under New value:.
- Click OK.