[Mailman-Users] no mail to outside users

John DeCarlo jdecarlo at mitre.org
Fri Jun 6 18:57:06 CEST 2003


Hard to say.  Need to figure out where the error is occurring.

1.  Do you get the messages sent from the Internet on the lists you 
subscribe to?  (This would indicate that Mailman gets the messages, but 
can't correctly send email to the Internet, just to the LAN.)

2.  If you don't get the messages, do they show up as being received in 
the Postfix logs?  (This would indicate that Mailman doesn't get the 
message, but the computer does.  I think this very unlikely, though.)

3.  Can you send mail from the Internet to a personal account on the 
same machine?  (This would tell you whether anyone  can send any email 
to your machine.  Postfix logs would be interesting for this, too.  If 
the only successful receipts are from the internal LAN, need to figure 
out why.)

4.  Can you send mail to the Internet from a personal account on the 
same machine as Mailman?

Typical suspects would include:

DNS (A. Can your machine resolve Internet addresses to be able to send 
email?  B.  Are you listed in DNS so people sending email to your 
machine will get through?)

Mail routing.  Are you connected to an ISP that requires all email to 
the Internet go through their mail server?  Is your Mailman machine 
correctly set up in Postfix to do this?

DDM COMPUTERS - Danny Moss wrote:

> Now i have fully rebuilt my system with the same copy of mailman on it 
> and same redhat 8.0 but noew nobody gets any mail from mailman out side 
> of my local lan.
> I can subscribe to all the lists in fact everybody it the house on the 
> lan can but nobody from the internet gets any mail back they use the web 
> interface or just send email they never get anything back..
> I can use the web interface or just send email and I get an answer 
> straight away any ideas ..
> what have I missed ..


John DeCarlo, My Views Are My Own

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