Windows running SMTPL.EXE 1.0w or later for inbound mail
If SMTPL spam control is enabled, defines the number of concurrent spam scans that can be executed by SMTPL.
For the 75 concurrent spam scans configured in the example, 750M-1G of memory will be required. Depending on available resources, you may want to start lower.
For full information on this feature, please see Section 5.1, SMTPL-Level Spam Control for Windows, in the Advanced Topics Manual for LISTSERV.
Not set; SMTPL spam control disabled.