--- /dev/null
+# this is the default
+allow_insecure_tainted_data = ALLOW_TAINTED
--- /dev/null
+# Allow insecure tainted data
+exim -DALLOW_TAINTED=no -f hans@example.com -be
+${lookup{$sender_address_local_part}lsearch{DIR/aux-fixed/0990/$sender_address_domain}{yes}{no}}
+****
+exim -DALLOW_TAINTED=yes -f hans@example.com -be
+${lookup{$sender_address_local_part}lsearch{DIR/aux-fixed/0990/$sender_address_domain}{yes}{no}}
+****
--- /dev/null
+feature _OPT_MAIN_ALLOW_INSECURE_TAINTED_DATA
--- /dev/null
+1999-03-02 09:44:33 Tainted filename for search: 'TESTSUITE/aux-fixed/0990/example.com'
+1999-03-02 09:44:33 Warning: Tainted filename for search: 'TESTSUITE/aux-fixed/0990/example.com'
+1999-03-02 09:44:33 Warning: Tainted filename 'TESTSUITE/aux-fixed/0990/example.com'
--- /dev/null
+> Failed: (null)
+>
+> yes
+>