FROM Has anyone ever experienced the following error message on their listserv. If so, let me know how to fix this problem. The message follows; RCPT TO:<[log in to unmask]> <[log in to unmask]>... recipient OK. RCPT TO:<[log in to unmask]> Mailbox syntax error. RCPT TO:<[log in to unmask]> Command ignored due to a previous error. RCPT TO:<[log in to unmask]> Command ignored due to a previous error. RCPT TO:<[log in to unmask]> Any input would be appreciated... John Halbert <[log in to unmask]>