diff --git a/mailutils.spec b/mailutils.spec
index e959deb..45b97d8 100644
--- a/mailutils.spec
+++ b/mailutils.spec
@@ -1,6 +1,6 @@
 Name:          mailutils
 Version:       3.10
-Release:       1mamba
+Release:       2mamba
 Summary:       A swiss army knife of electronic mail handling
 Group:         System/Tools
 Vendor:        openmamba
@@ -14,34 +14,43 @@ Patch1:        mailutils-2.99.99-libguile-2.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
+BuildRequires: ldconfig
 BuildRequires: libaudit-devel
+BuildRequires: libcap-ng-devel
 BuildRequires: libdb53-devel
+BuildRequires: libe2fs-devel
 BuildRequires: libffi-devel
+BuildRequires: libfribidi-devel
 BuildRequires: libgc-devel
+BuildRequires: libgcrypt-devel
 BuildRequires: libgdbm-devel
 BuildRequires: libgmp-devel
 BuildRequires: libgnutls-devel
+BuildRequires: libgpg-error-devel
 BuildRequires: libgsasl-devel
+BuildRequires: libgss-devel
 BuildRequires: libguile-devel
 BuildRequires: libidn-devel
+BuildRequires: libidn2-devel
+BuildRequires: libkrb5-devel
 BuildRequires: libltdl-devel
-BuildRequires: libncurses5
+BuildRequires: libncurses-devel
 BuildRequires: libnettle-devel
+BuildRequires: libnsl-devel
 BuildRequires: libntlm-devel
 BuildRequires: libopenldap-devel
 BuildRequires: libopenssl-devel
 BuildRequires: libp11-kit-devel
 BuildRequires: libpam-devel
-BuildRequires: libpython-devel
-BuildRequires: libpython27-devel
+BuildRequires: libpython3-devel
 BuildRequires: libreadline-devel
 BuildRequires: libsasl2-devel
 BuildRequires: libtasn1-devel
+BuildRequires: libtirpc-devel
 BuildRequires: libunistring-devel
 BuildRequires: libwrap-devel
-BuildRequires: libz-devel
+BuildRequires: python3
 ## AUTOBUILDREQ-END
-BuildRequires: libunistring-devel >= 0.9.6-1mamba
 Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 Requires(post): %{__install_info}
 Requires(preun): %{__install_info}
@@ -65,6 +74,15 @@ Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
 %description -n lib%{name}-devel
 This package contains libraries and header files for developing applications that use %{name}.
 
+%package -n python-mailutils-py3
+Group:         System/Libraries/Python
+Summary:       Python bindings to %{name}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      python3
+
+%description -n python-mailutils-py3
+Python bindings to %{name}.
+
 %debug_package
 
 %prep
@@ -134,11 +152,7 @@ exit 0
 %dir %{_datadir}/mailutils
 %dir %{_datadir}/mailutils/mh
 %{_datadir}/mailutils/mh/*
-%dir %{python3_sitelib}/mailutils
-%{python3_sitelib}/mailutils/*
-%{_infodir}/mailutils.info-1.gz
-%{_infodir}/mailutils.info-2.gz
-%{_infodir}/mailutils.info.gz
+%{_infodir}/mailutils.info*
 %{_mandir}/man1/imap4d.1*
 %{_mandir}/man1/mail.1*
 %{_mandir}/man1/pop3d.1*
@@ -156,8 +170,6 @@ exit 0
 %{_libdir}/mailutils/*.so
 %dir %{_libexecdir}/mailutils
 %{_libexecdir}/mailutils/mailutils-*
-%dir %{python3_sitearch}/mailutils
-%{python3_sitearch}/mailutils/*
 %doc AUTHORS COPYING COPYING.LESSER THANKS
 
 %files -n lib%{name}-devel
@@ -175,7 +187,17 @@ exit 0
 %{_libdir}/libmu_*.so
 %doc ChangeLog NEWS README TODO
 
+%files -n python-mailutils-py3
+%defattr(-,root,root)
+%dir %{python3_sitelib}/mailutils
+%{python3_sitelib}/mailutils/*
+%dir %{python3_sitearch}/mailutils
+%{python3_sitearch}/mailutils/*
+
 %changelog
+* Tue Dec 15 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 3.10-2mamba
+- rebuild and updated build requirements
+
 * Mon Oct 26 2020 Automatic Build System <autodist@mambasoft.it> 3.10-1mamba
 - automatic version update by autodist