tcp_local_*_option files

To prevent DOS attacks and protect overall system health, the following parameters should be enabled in the msg-<instance>/imta/config/tcp_local_option and also msg-/imta/config/tcp_intranet_option files. (They do not exist by default.)


!
!
DISABLE_ADDRESS=1
DISABLE_CIRCUIT=1
DISABLE_EXPAND=1
DISABLE_GENERAL=1
DISABLE_STATUS=1
HIDE_VERIFY=1
!ALLOW_RECIPIENTS_PER_TRANSACTION=
!ALLOW_REJECTIONS_BEFORE_DEFERRAL=

The last two parameters should be set according to site policy. I am listing them here so you know they exist, check the reference guide for more options.