diff --git a/debian.changelog b/debian.changelog
new file mode 100644
index 0000000..22eb896
--- /dev/null
+++ b/debian.changelog
@@ -0,0 +1,5 @@
+system-user-grommunio (0-0) unstable; urgency=low
+
+  * Initial package.
+
+ -- Grommunio <null@grommunio.com>  Mon, 25 Jan 2021 10:00:00 +0100
diff --git a/debian.compat b/debian.compat
new file mode 100644
index 0000000..e243817
--- /dev/null
+++ b/debian.compat
@@ -0,0 +1 @@
+12
diff --git a/debian.control b/debian.control
new file mode 100644
index 0000000..9d47c72
--- /dev/null
+++ b/debian.control
@@ -0,0 +1,16 @@
+Source: system-user-grommunio
+Priority: optional
+Section: mail
+Maintainer: Grommunio <null@grommunio.com>
+Standards-Version: 4.5.0
+
+Package: system-user-grommunio
+Architecture: all
+Pre-Depends: ${misc:Pre-Depends}
+Depends: adduser, ${misc:Depends}
+Provides: system-user-groweb
+Replaces: system-user-groweb
+Conflicts: system-user-groweb
+Description: System user and group grommunio
+ .
+ This package provides the grommunio account.
diff --git a/debian.rules b/debian.rules
new file mode 100644
index 0000000..953462f
--- /dev/null
+++ b/debian.rules
@@ -0,0 +1,3 @@
+#!/usr/bin/make -f
+%:
+	dh $@ --parallel
diff --git a/debian.system-user-grommunio.install b/debian.system-user-grommunio.install
new file mode 100644
index 0000000..473a0f4
diff --git a/debian.system-user-grommunio.postinst b/debian.system-user-grommunio.postinst
new file mode 100644
index 0000000..d4f80f1
--- /dev/null
+++ b/debian.system-user-grommunio.postinst
@@ -0,0 +1,7 @@
+#!/bin/sh
+getent group grommunio >/dev/null || addgroup --system grommunio
+getent passwd grommunio >/dev/null || \
+	adduser --system grommunio --home / --no-create-home --disabled-password --ingroup grommunio
+getent group groweb >/dev/null || addgroup --system groweb
+getent passwd groweb >/dev/null || \
+	adduser --system groweb --home / --no-create-home --disabled-password --ingroup groweb
diff --git a/dummy_for_debtransform.tgz b/dummy_for_debtransform.tgz
new file mode 100644
index 0000000..22632ba
--- /dev/null
+++ b/dummy_for_debtransform.tgz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:fd211e6cbb3d0d7d6fe7c8c8389bb5d269df09692848663626636930e4246892
+size 231
diff --git a/system-user-grommunio.changes b/system-user-grommunio.changes
index cef7593..58a53ad 100644
--- a/system-user-grommunio.changes
+++ b/system-user-grommunio.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Tue Jan 17 15:45:41 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
+
+- Add groweb user for grommunio-web, grommunio-index
+
 -------------------------------------------------------------------
 Mon Jul 25 16:47:37 UTC 2022 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/system-user-grommunio.dsc b/system-user-grommunio.dsc
new file mode 100644
index 0000000..f352e45
--- /dev/null
+++ b/system-user-grommunio.dsc
@@ -0,0 +1,10 @@
+Format: 1.0
+Source: system-user-grommunio
+Architecture: all
+Version: 3
+Maintainer: Grommunio <null@grommunio.com>
+Homepage: https://grommunio.com
+Standards-Version: 3.9.4
+# You need to update both .dsc and debian.control (*sigh* - Debian)
+Build-Depends:
+	debhelper
diff --git a/system-user-grommunio.spec b/system-user-grommunio.spec
index eab756e..d3bea08 100644
--- a/system-user-grommunio.spec
+++ b/system-user-grommunio.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package system-user-grommunio
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,30 +17,55 @@
 
 
 Name:           system-user-grommunio
-Version:        2
+Version:        3
 Release:        0
-Summary:        System user and group grommunio
+Summary:        System users and groups for grommunio
 License:        MIT
 Group:          System/Fhs
 URL:            https://grommunio.com/
+Source:         dummy_for_debtransform.tgz
 BuildArch:      noarch
 BuildRequires:  systemd-rpm-macros
+Obsoletes:      system-user-groweb < %version-%release
+Provides:       system-user-groweb = %version-%release
+%if 0%{?suse_version}
 BuildRequires:  sysuser-tools
 %sysusers_requires
+%else
+Provides:       group(grommunio)
+Provides:       group(groweb)
+Provides:       user(grommunio)
+Provides:       user(groweb)
+Requires(pre):  /usr/sbin/useradd
+Requires(pre):  /usr/sbin/groupadd
+%endif
 
 %description
-This package provides the grommunio account.
+This package provides the system accounts for grommunio.
 
 %prep
 
 %build
-echo 'u grommunio - "Grommunio administration"' >u.conf
-%sysusers_generate_pre u.conf user
+echo 'u grommunio - "user for grommunio administration"' >u.conf
+echo 'u groweb - "user for grommunio-web"' >>u.conf
+%if 0%{?suse_version}
+%sysusers_generate_pre u.conf user system-user-grommunio.conf
+%else
+>user.pre
+%endif
 
 %install
 install -Dpm0644 u.conf "%buildroot/%_sysusersdir/system-user-grommunio.conf"
 
 %pre -f user.pre
+%if !0%{?suse_version}
+getent group grommunio >/dev/null || %_sbindir/groupadd -r grommunio
+getent passwd grommunio >/dev/null || %_sbindir/useradd -g grommunio -s /sbin/nologin \
+	-r -c "user for grommunio administration" -d / grommunio
+getent group groweb >/dev/null || %_sbindir/groupadd -r groweb
+getent passwd groweb >/dev/null || %_sbindir/useradd -g groweb -s /sbin/nologin \
+	-r -c "user for grommunio-web" -d / groweb
+%endif
 
 %files
 %_sysusersdir/*.conf