Red Hat Bugzilla – Bug 204806
/etc/hosts ignored for resolving remote hosts for delivery
Last modified: 2007-11-16 20:14:53 EST
Description of problem:
/etc/hosts ignored for resolving aliases (hosts: files dns in nsswitch) after
upgrade to U4
Version-Release number of selected component (if applicable):
How reproducible: consistently
Steps to Reproduce:
1. Use base postfix setup
2. put an alias that points to another mail gateway for delivery
3. if gateway is only in /etc/hosts (not in DNS) postfix will bounce message as
undeliverable because it can't resolve the name
bounces message as undeliverable - unable to resolve host address
should look in /etc/hosts, resolve from that file, and send the message to the
Do I need to open a case with Redhat support to get an acknowledgement here?
This change of behavior broke things on a production server.
Please set "smtp_host_loopup = native". THis should solve your problem.
smtp_host_lookup = native
"smtp_host_lookup = native" does fix it. Thanks!
Closing as "NOT A BUG".