- Navigate to Groups > Groups
- On the group you would like to prevent users from replying, click on the name
- Go to Settings
- Find and expand Custom Email Options
- Select Use Custom Email Settings checkbox
- Select the appropriate Reply To options you wish to have
- Note: Do-not-reply can be set as the from name and from email address in order to indicate to recipients not to reply to the email. For example, firstname.lastname@example.org. Another option is to choose Member Select who replies are sent to to prevent replies from coming back to the author of the message and to leave the address line blank.