[Mailman-Users] Problem solved: it was the MTA

[Elena Fraboschi]

So, I got this:

#telnet localhost 25
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 mafalda.math.indiana.edu ESMTP Sendmail bla bla bla versions

Well, let me play with the fun parts :-)  Best, elena