diff --git a/src/Makefile b/src/Makefile
index 6140ed8..a71d1e7 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -56,7 +56,7 @@ HACKERBASE-OBJS=hackerbase.o testing.o listing.o cal-month.o		\
 	 template-list-expander.o box-drawing.o util-list.o		\
 	 export-web-static.o util-dir.o dokuwiki.o racket-kwargs.o	\
 	 duck.o util-bst.o util-bst-bdict.o util-bst-ldict.o		\
-	 util-bst-lset.o mailman2.o mailman-common.o
+	 util-bst-lset.o mailman2.o mailman-common.o mailman3.o
 
 GENDOC-SOURCES=gendoc.scm duck-extract.import.scm			\
 	util-time.import.scm util-csv.import.scm util-git.import.scm	\
@@ -541,3 +541,8 @@ MAILMAN-COMMON-SOURCES: mailman-common.scm
 
 mailman-common.o: mailman-common.import.scm
 mailman-common.import.scm: $(MAILMAN-COMMON-SOURCES)
+
+MAILMAN3-SOURCES=mailman3.scm
+
+mailman3.o: mailman3.import.scm
+mailman3.import.scm: $(MAILMAN3-SOURCES)
diff --git a/src/mailman3.scm b/src/mailman3.scm
new file mode 100644
index 0000000..4664cf0
--- /dev/null
+++ b/src/mailman3.scm
@@ -0,0 +1,35 @@
+;;
+;; mailman3.scm
+;;
+;; Mailman management interface - Mailman version 3.x support
+;;
+;; ISC License
+;;
+;; Copyright 2023 Brmlab, z.s.
+;; Dominik Pantůček <dominik.pantucek@trustica.cz>
+;;
+;; Permission to use, copy, modify, and/or distribute this software
+;; for any purpose with or without fee is hereby granted, provided
+;; that the above copyright notice and this permission notice appear
+;; in all copies.
+;; 
+;; THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+;; WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+;; WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+;; AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
+;; CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+;; OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+;; NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+;; CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+;;
+
+(declare (unit mailman3))
+
+(module
+ mailman3
+ (
+  )
+
+ (import scheme)
+
+ )