I am running Mailman with Postfix. Attached, is a segment of my syslog file when I try to email to the Mailman server.

Any thoughts?

Yuri

May 1 01:18:37 shiva postfix/smtpd[15242]: [ID 197553 mail.info] connect from unknown[172.30.20.6] May 1 01:18:37 shiva postfix/smtpd[15242]: [ID 197553 mail.info] 6F2835CFED: client=unknown[172.30.20.6] May 1 01:18:37 shiva postfix/cleanup[15243]: [ID 197553 mail.info] 6F2835CFED: message-id=<3AEE0F4B.A9A14A8A@imediation.com> May 1 01:18:37 shiva postfix/smtpd[15242]: [ID 197553 mail.info] disconnect from unknown[172.30.20.6] May 1 01:18:37 shiva postfix/qmgr[15240]: [ID 197553 mail.info] 6F2835CFED: from=<yuri@imediation.com>, size=1961, nrcpt=1 (queue active) Apr 30 18:18:37 shiva postfix/local[15245]: [ID 947731 mail.warning] warning: dict_nis_init: NIS domain name not set - NIS lookups disabled Apr 30 18:18:37 shiva postfix/local[15245]: [ID 197553 mail.info] 6F2835CFED: to=<test-request@mailman.server.imediation.com>, relay=local, delay=0, status=bounced (unknown user: "test-request") May 1 01:18:37 shiva postfix/cleanup[15243]: [ID 197553 mail.info] 9DDF45CFEF: message-id=<20010501011837.9DDF45CFEF@mailman.server.imediation.com> May 1 01:18:37 shiva postfix/qmgr[15240]: [ID 197553 mail.info] 9DDF45CFEF: from=<>, size=3720, nrcpt=1 (queue active) May 1 01:18:37 shiva postfix/smtp[15247]: [ID 947731 mail.crit] fatal: unknown service: smtp/tcp May 1 01:18:38 shiva postfix/qmgr[15240]: [ID 947731 mail.warning] warning: end of input while receiving string data from service private/smtp May 1 01:18:38 shiva postfix/qmgr[15240]: [ID 947731 mail.warning] warning: private/smtp: malformed response Apr 30 18:18:38 shiva postfix/master[15176]: [ID 947731 mail.warning] warning: process /usr/local/postfix/libexec/postfix/smtp pid 15247 exit status 1 Apr 30 18:18:38 shiva postfix/master[15176]: [ID 947731 mail.warning] warning: /usr/local/postfix/libexec/postfix/smtp: bad command startup -- throttling