>>> host in helo_try_verify_hosts? no (option unset)
>>> host in helo_accept_junk_hosts? no (option unset)
>>> xxxx in helo_lookup_domains? no (end of list)
-LOG: SMTP call from (xxxx) [V4NET.0.0.1] dropped: too many syntax or protocol errors (last command was "rcpt to:<bad syntax@x.y.z>")
+LOG: SMTP call from (xxxx) [V4NET.0.0.1] dropped: too many syntax or protocol errors (last command was "rcpt to:<bad syntax@x.y.z>", C=HELO,MAIL,RCPT,RCPT,RCPT,RCPT)