To send an email to a group that soft bounced on an email delivery follow these steps:
  1. Find the email message by managing the email campaign they were sent under (Email > Email Campaigns> Manage)
  2. Click on the Reports tab
  3. Click on the drop down menu and choose "Soft Bounce Report"
  4. Select the message that you would like to resend.
  5. Run the report.
  6. Once the report is complete, click on "View Results" in the Actions column.
  7. At the top left of the table of results click on "Add results to a group"
  8. Name your group something you can remember "Soft bounces from Message sent on 10-8"
  9. Create group.
  10. Go to the messages tab and find the message you sent. 
  11. Click Copy and copy the message (Do not resend the same version of the message, it will filter out all of your recipients)
  12. Send the message with the target audience of the group you created in step 8.