Jim McKay wrote:

I'm using

• Mailman 2.1.9.-4.e15.i386
• Redhat 5.3.03.i386
• sendmail 8.13.8.2.el5,i386

I'm experienced with Mailman with BSD for sometime (a couple of years)
but the first time with Redhat on a completely different server.

For this example/problem,

my host is wall Domain is ss.uic.edu so I have wall.ss.uic.edu

Sendmail is fine and emails come and go with mail sent and received
from user@wall.ss.uic.edu

I've used RPM to install Mailman.

I've created a list called techies with subscribers on everything
from in-house to gmail.

When as a subscriber I send email to techies@wall.ss.uic.edu the mail
is arrives at users inboxes as being from techies@ss.uic.edu with
"wall" left off.

On the Mailman admin page for "Techies" , under "General Options", I
have "Hostname this list prefers for email" set to wall.ss.uic.edu and
it still leaves off wall.

If host_name is wall.ss.uic.edu, then that is what Mailman is using in outbound mail and it is an outbound MTA that is stripping off 'wall'.

Also, there appear to be no public DNS records of any kind for wall.ss.uic.edu or ss.uic.edu either for that matter. This could be part of the problem.

-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan

Jim McKay wrote:

I'm using

• Mailman 2.1.9.-4.e15.i386
• Redhat 5.3.03.i386
• sendmail 8.13.8.2.el5,i386

I'm experienced with Mailman with BSD for sometime (a couple of years)
but the first time with Redhat on a completely different server.

For this example/problem,

my host is wall Domain is ss.uic.edu so I have wall.ss.uic.edu

Sendmail is fine and emails come and go with mail sent and received
from user@wall.ss.uic.edu

I've used RPM to install Mailman.

I've created a list called techies with subscribers on everything
from in-house to gmail.

When as a subscriber I send email to techies@wall.ss.uic.edu the mail
is arrives at users inboxes as being from techies@ss.uic.edu with
"wall" left off.

On the Mailman admin page for "Techies" , under "General Options", I
have "Hostname this list prefers for email" set to wall.ss.uic.edu and
it still leaves off wall.

If host_name is wall.ss.uic.edu, then that is what Mailman is using in outbound mail and it is an outbound MTA that is stripping off 'wall'.

Also, there appear to be no public DNS records of any kind for wall.ss.uic.edu or ss.uic.edu either for that matter. This could be part of the problem.

-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan