diff --git a/shadow-useradd b/shadow-useradd
new file mode 100644
index 0000000..ae81dbb
--- /dev/null
+++ b/shadow-useradd
@@ -0,0 +1,7 @@
+# useradd defaults file
+GROUP=100
+HOME=/home
+INACTIVE=-1
+EXPIRE=
+SHELL=/bin/bash
+SKEL=/etc/skel
diff --git a/shadow.spec b/shadow.spec
index e8ab4ba..77a1dde 100644
--- a/shadow.spec
+++ b/shadow.spec
@@ -1,9 +1,10 @@
 %define shadowgroupid 15
+%define mailgroupid 72
 Summary:       Utilities for managing shadow password files and user/group accounts
 Name:          shadow
 Version:       4.11.1
 Group:         Applications/Security
-Release:       1mamba
+Release:       2mamba
 Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
@@ -33,7 +34,6 @@ BuildRequires: libmd-devel
 BuildRequires: libpam-devel
 BuildRequires: libselinux-devel
 BuildRequires: libsemanage-devel
-BuildRequires: libz-devel
 ## AUTOBUILDREQ-END
 BuildRequires: skey-devel
 BuildRequires: libsemanage-devel >= 3.3
@@ -177,6 +177,7 @@ if [ ! -e /etc/shadow ]; then
    chmod 0640 /etc/shadow
    chgrp shadow /etc/shadow
 fi
+groupadd mail -g %{mailgroupid} 2>/dev/null || :
 :
 
 %files -f shadow.lang
@@ -248,10 +249,12 @@ fi
 %defattr(-,root,root)
 %{_includedir}/shadow/subid.h
 %{_libdir}/libsubid.a
-%{_libdir}/libsubid.la
 %{_libdir}/libsubid.so
 
 %changelog
+* Tue Sep 06 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 4.11.1-2mamba
+- create mail group required to useradd when creating /var/mail/<user>
+
 * Sat May 07 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 4.11.1-1mamba
 - update to 4.11.1