The Default-Options header keyword setting does not affect existing subscribers. If you want existing subscribers to have these same settings, you must update them manually using the Set listname options for *@* command. For example, to set each subscriber to receive a copy of his/her own posting (repro) and put the listname in the subject of the message (subjecthdr):

1. From the web interface, expand List Management
2. Select LISTSERV Command
3. Enter the following command: set listname Repro SUBJecthdr for *@*

Or

1. Address an e-mail message to listserv@list.uiowa.edu
2. Put the following command in the body of the message: set listname Repro SUBJecthdr for *@*
3. No subject and remove extra text, such as signature, from the message.
4. Send the message and confirm the command.

See the List Keyword Reference for LISTSERV for more information.