I found part of my problem. In /etc/postfix/main.cf was virtual_alias_maps = hash:/etc/postfix/virtual, hash:/var/lib/mailman/data/aliases, hash:/var/lib/mailman/data/virtual-mailman
The "aliases" line equates "test-subscribe" with "|...test subscribe" and generated the pecular userid in the "user unknown" message. Removing the aliases reference and leaving "virtual-mailman" gives: <[EMAIL PROTECTED]>: unknown user: "test-subscribe" which is much more reasonable. However my subscribe message still hasn't gotten to mailman. What am I missing?? Thanks. David ------------------------------------------------------ Mailman-Users mailing list [EMAIL PROTECTED] http://mail.python.org/mailman/listinfo/mailman-users Mailman FAQ: http://www.python.org/cgi-bin/faqw-mm.py Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/