First off, the documentation says to change /etc/hosts only if you are NOT running a name service.
I think you may have a dns cache problem - mailhost is probably cached by dns.
Clear the DNS cache (do this only if nscd (name serve daemon)is running, otherwise don't do this):
This will clear the local DNS cache. Next try:
Your problem has to be local to the UNIX box. You have clearly started and stopped sendmail.
I was planing to ask about nscd after you answer my first question but jim mcnamara was faster
I was also thinking that it should first read hosts file. It is little strange behaviour for me.
Add hostname without domain to /etc/hosts
I'm wondering could it resolve mailhost's IP if you would comment out dns in nsswitch.conf. You can try this if it is not very important production server.
But as we can see the problem is also with your DNS server, which response with old IP address. You must change mailhost's IP on your DNS.
I tried send mail and can see that requests again going through 10.13.44.16 (which is not mentioned anywhere)
Its not production server, so I can test things there, but I have no idea what ca be the reason
GP81, I didn't get what you meant under:
Quote:
I'm wondering could it resolve mailhost's IP if you would comment out dns in nsswitch.conf. You can try this if it is not very important production server.
Can u pls let me know which line I should comment?
Here is my nsswitch.conf file:
---------- Post updated at 11:32 AM ---------- Previous update was at 10:08 AM ----------
Hi again,
I found where the problem was.
Problem was in submit.cf file:
after modifing this line and restarting mail services, problem has been solved.
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