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Accepted
Christian
Asked: 2013-08-08 00:46:58 +0800 CST

monit hostname is always localhost

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I've got monit running on a server to alert by email with the following config

set mailserver 127.0.0.1
 using hostname "vps1.sender.com"

set mail-format { from: [email protected] }

set alert [email protected]

but the mails are still coming through with a hostname of localhost

 Aug  7 08:40:55 mx1 postfix/smtpd[31060]: NOQUEUE: reject: RCPT from
 vps1.sender.com[xx.xx.xx.xx]: 504 5.5.2 <localhost>: Helo command
 rejected: need fully-qualified hostname; from=<[email protected]>
 to=<[email protected]> proto=ESMTP helo=<localhost>

It's the only config file I have.

What am I missing?

monit

3 Answers

  1. In monitrc edit/add the line:

    check system vps1.sender.com

    and vps1.sender.com will be shown as the host on the email

    • 2

  2. Monit uses /etc/hostname and /etc/hosts files for fqdn. If you did not setup those files, hostname file includes localhost line by default. You must change this to your fqdn and set yourIP fqdn in /etc/hosts file.

    • 1
  3. Best Answer

    The problem was a configuration issue with postfix.

    Make sure the myhostname= variable is set correctly in /etc/postfix/main.cf. Apparently monit cant override that setting.

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