>>> myhost.test.ex in helo_lookup_domains? yes (matched "@")
>>> looking up host name for 1.2.3.4
LOG: no host name found for IP address 1.2.3.4
>>> myhost.test.ex in helo_lookup_domains? yes (matched "@")
>>> looking up host name for 1.2.3.4
LOG: no host name found for IP address 1.2.3.4
>>> myhost.test.ex in helo_lookup_domains? yes (matched "@")
>>> looking up host name for 1.2.3.4
LOG: no host name found for IP address 1.2.3.4
>>> myhost.test.ex in helo_lookup_domains? yes (matched "@")
>>> looking up host name for 1.2.3.4
LOG: no host name found for IP address 1.2.3.4