diff --git a/include/binaries b/include/binaries
index 5a462a19..77acceb2 100644
--- a/include/binaries
+++ b/include/binaries
@@ -159,6 +159,7 @@
                             sestatus)               SESTATUSFOUND=1;       SESTATUSBINARY="${BINARY}";                                                    logtext "  Found known binary: sestatus (SELinux client) - ${BINARY}"                                     ;;
                             slocate)                LOCATEFOUND=1;         LOCATEBINARY="${BINARY}";                                                      logtext "  Found known binary: slocate (file database) - ${BINARY}"                                       ;;
                             smbd)                   SMBDFOUND=1;           SMBDBINARY="${BINARY}"; if [ "${OS}" = "MacOS" ]; then SMBDVERSION="unknown"; else SMBDVERSION=`${BINARY} -V | grep "^Version" | awk '{ print $2 }'`; fi; logtext "Found ${BINARY} (version ${SMBDVERSION})"                                            ;;
+                            smtpctl)                SMTPCTLBINARY="${BINARY}";                                                                            logtext "  Found known binary: smtpctl (OpenSMTPD client) - ${BINARY}"                                    ;;
                             showmount)              SHOWMOUNTFOUND=1;      SHOWMOUNTBINARY="${BINARY}";                                                   logtext "  Found known binary: showmount (NFS mounts) - ${BINARY}"                                        ;;
                             sockstat)               SOCKSTATFOUND=1;       SOCKSTATBINARY="${BINARY}";                                                    logtext "  Found known binary: sockstat (open network sockets) - ${BINARY}"                               ;;
                             squid)                  SQUIDFOUND=1;          SQUIDBINARY="${BINARY}";                                                       logtext "  Found known binary: squid (proxy) - ${BINARY}"                                                 ;;