Windows running SMTPL.EXE 1.0w or later for inbound mail
If SMTPL spam control is enabled, sets the name of the user-provided exit program used to call a third-party spam scanner.
Windows: SMTP_SPAM_EXIT =!C:\LISTSERV\MAIN\REXX.EXE C:\LISTSERV\MAIN\SASMTPL.REXX
Change the paths in SMTP_SPAM_EXIT to match your local installation. Ensure that the line begins with an exclamation point (!).
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.