I would recommend setting up LISTSERV's spam_exit so that most spam is recognized and trashed before getting a response. See http://www.lsoft.com/news/techtipLSV-issue2-2005-us.asp On 30 Nov 2007 at 17:51, listserv postmaster wrote: > Unfortunately the mail addresses are never repeated. The spammers just > send message after message with different forged addresses. The owners > of the forged addresses then get some garbled HTML SPAM interspersed > with LISTSERV "INVALID COMMAND" messages. -- Francoise Becker LISTSERV(R) - real software, real results. See LISTSERV in action: http://www.lsoft.com/products/listserv_flash_demo.asp