Jon Carnes wrote on 22 October 01: > Your DNS is improperly setup. There is no MX record for > zuikis.uchicago.edu.
Could be. Yet it worked before--and it wasn't a new version of mailman that caused the problem. I tried again using "[EMAIL PROTECTED]" as the sending address, and the errors are identical. It seems like DNS can't be the problem if a midway.uchicago.edu address works fine. (2001-10-22 22:33:53 15vsK9-0002Uj-00 <= [EMAIL PROTECTED] H=midway.uchicago.edu [128.135.12.12] P=esmtp S=701 [EMAIL PROTECTED] 2001-10-22 22:33:54 15vsK9-0002Uj-00 => test <[EMAIL PROTECTED]> D=list_director T=list_transport 2001-10-22 22:33:54 15vsK9-0002Uj-00 Completed) > nslookup Default Server: ns2.uchicago.edu Address: 128.135.12.73 > set query=mx > midway.uchicago.edu Server: ns2.uchicago.edu Address: 128.135.12.73 midway.uchicago.edu preference = 0, mail exchanger = midway.uchicago.edu [etc.] --m ------------------------------------------------------ Mailman-Users maillist - [EMAIL PROTECTED] http://mail.python.org/mailman/listinfo/mailman-users