opscode-cookbooks/postfix — pull request #50 by jblatt-altiscale (2013-10-16 02:19:08+00:00)
Title: DP-132 fallback on localhost.localdomain if host's hostname is an ipaddr.

Otherwise postfix will fail to start, emitting an error message like:

```
postfix: warning: valid_hostname: numeric hostname: 1.2.3.4
postfix: fatal: file /etc/postfix/main.cf: parameter myhostname: bad parameter value: 1.2.3.4
```