>>> check hosts = test.again.dns
>>> test.again.dns in dns_again_means_nonexist? no (option unset)
>>> no IP address found for host test.again.dns (during SMTP connection from (test) [ip4.ip4.ip4.ip4])
>>> check hosts = test.again.dns
>>> test.again.dns in dns_again_means_nonexist? no (option unset)
>>> no IP address found for host test.again.dns (during SMTP connection from (test) [ip4.ip4.ip4.ip4])