LOG: H=[V4NET.9.8.7] sender verify fail for <x@mxt10.test.ex>: all relevant MX records point to non-existent hosts or (invalidly) to IP addresses
LOG: H=[V4NET.9.8.7] F=<x@mxt10.test.ex> rejected RCPT <x@y>: Sender verify failed
>>> host in hosts_connection_nolog? no (option unset)
LOG: H=[V4NET.9.8.7] sender verify fail for <x@mxt10.test.ex>: all relevant MX records point to non-existent hosts or (invalidly) to IP addresses
LOG: H=[V4NET.9.8.7] F=<x@mxt10.test.ex> rejected RCPT <x@y>: Sender verify failed
>>> host in hosts_connection_nolog? no (option unset)