diff --git a/config/filter.d/qpsmtpd.conf b/config/filter.d/qpsmtpd.conf
new file mode 100644
index 00000000..1859d010
--- /dev/null
+++ b/config/filter.d/qpsmtpd.conf
@@ -0,0 +1,11 @@
+
+[Definition]
+
+failregex = ^.*535 LOGIN authentication failed for .* from <HOST>$
+ignoreregex =
+
+datepattern = ^%%a %%b %%d %%H:%%M:%%S %%Y
+
+# DEV NOTES:
+#
+# Author: Tim Lavoie
diff --git a/fail2ban/tests/files/logs/qpsmtpd b/fail2ban/tests/files/logs/qpsmtpd
new file mode 100644
index 00000000..0fdb6556
--- /dev/null
+++ b/fail2ban/tests/files/logs/qpsmtpd
@@ -0,0 +1,4 @@
+Thu Aug 19 23:37:09 2021 host.domain.example.com[11793]: 535 LOGIN authentication failed for marta from 2.56.59.87
+Thu Aug 19 23:40:19 2021 host.domain.example.com[11798]: 535 LOGIN authentication failed for diana from 45.144.225.204
+Thu Aug 19 23:41:24 2021 host.domain.example.com[11799]: 535 LOGIN authentication failed for irene from 45.144.225.206
+Thu Aug 19 23:43:45 2021 host.domain.example.com[11843]: 535 LOGIN authentication failed for reality from 37.0.11.124