Postfix: Host not found, try again

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Postfix leaves messages are in /var/spool/postfix/defer with error message: Host or domain name not found. Name service error for type=MX: Host not found, try again


I hadn't setup my DNS. Start YaST, {Network Services | DNS and Hostname}.



Google to the rescue: Sending mails to remote domains is not working. - HowtoForge Forums | HowtoForge - Linux Howtos and Tutorials:.
All kinds of useful logs: /var/log/mail.err, /var/log/warn, /var/log/, /var/log/mail, /var/log/fetchmail. Fetchmail gives error message as well: fetchmail: couldn't find canonical DNS name of (
Forum also pointed me to /etc/resolv.conf which is empty indeed on my new system, filled on my old.

The postfix site: Postfix Frequently Asked Questions: Mail stays queued with: Host not found, try again.


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