Archive for the tag 'postfix'

Postfix: Host not found, try again

Posted by resmo on September 2, 2009 under Networking, OSS

Small hint from me: If you set up Postfix to relay your mails and your relay host does not have an MX record (anymore), mailq has a lot of mails on standby and you see something like:
Jul 14 12:45:39 myhostname postfix/smtp[2349]: 74FBF30501:
to= relay=none, delay=3944,
status=deferred (Name service error for name=recip.domain
type=MX: Host not found, try again)
And found this FAQ on Posfix.org and you say: “Yeah, the FAQ is right but so what now?”. Just boot your VI editor and open $ vi /etc/postfix/main.cf and change relayhost = smtp.myhostname.org:587 to relayhost = [smtp.myhostname.org]:587 and perform /etc/init.d/posfitx reload so Postfix will not looking for a valid MX record anymore. After this, go to the important work again…

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