I have tried a number of times to un-subscribe with no success, although the one message said:
Request received for list 'pcductape' via request address.
Subscription confirmation ticket sent to user being unsubscribed.
Since a valid command was found in the Subject field, your message body won't be checked for further commands
After that I just get the message:
List context changed to 'pcductape' by following command. >> appunsub pcductape willotz@xxxxxxxxxx 3E51238C:4FEB.1:cpqhpgncr No such cookie or else cookie is of wrong type
To unsubscribe from this list send an email to pcductape-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field OR by logging into the Web interface.