diff --git a/contrib/spec/openarc.spec.in b/contrib/spec/openarc.spec.in
index 5c37444f..27c30584 100644
--- a/contrib/spec/openarc.spec.in
+++ b/contrib/spec/openarc.spec.in
@@ -1,14 +1,18 @@
 %global systemd (0%{?fedora} >= 18) || (0%{?rhel} >= 7)
 %global tmpfiles (0%{?fedora} >= 15) || (0%{?rhel} >= 7)
 
+%global pre_rel Beta0
+
 Summary: An open source library and milter for providing ARC service
 Name: openarc
 Version: @VERSION@
-Release: 1%{?dist}
+Release: %{?pre_rel:0.}1%{?pre_rel:.%pre_rel}%{?dist}
 License: BSD and Sendmail
-URL: https://github.com/mskucherawy/OpenARC
+URL: https://github.com/trusteddomainproject/OpenARC
+
+Source0: https://github.com/trusteddomainproject/OpenARC/archive/v%{version}%{?pre_rel:.%pre_rel}/%{name}-%{version}%{?pre_rel:.%pre_rel}.tar.gz
 
-BuildRequires: libtool
+BuildRequires: libtool gcc
 BuildRequires: pkgconfig(openssl)
 BuildRequires: pkgconfig(libbsd)
 
@@ -19,6 +23,9 @@ BuildRequires: sendmail-milter-devel
 BuildRequires: sendmail-devel
 %endif
 
+BuildRequires: autoconf
+BuildRequires: automake
+
 Requires: lib%{name}%{?_isa} = %{version}-%{release}
 Requires: libopenarc = %{version}-%{release}
 Requires(pre): shadow-utils
@@ -33,8 +40,6 @@ Requires(preun): chkconfig, initscripts
 Requires(postun): initscripts
 %endif
 
-Source0: openarc-%{version}.tar.gz
-Prefix: %{_prefix}
 
 %description
 The Trusted Domain Project is a community effort to develop and maintain a
@@ -57,31 +62,37 @@ This package contains the static libraries, headers, and other support files
 required for developing applications against libopenarc.
 
 %prep
-%autosetup -p1
+%autosetup -n OpenARC-%{version}%{?pre_rel:.%pre_rel} -p1
 
 %build
+autoreconf --install
 %configure --disable-static
+%make_build
 
-make %{?_smp_mflags}
 %install
-make install DESTDIR=%{buildroot}
-mkdir -p %{buildroot}%{_sysconfdir}
+%make_install
+mkdir -p -m 0700 %{buildroot}%{_sysconfdir}/%{name}
 mkdir -p -m 0700 %{buildroot}%{_localstatedir}/run/%{name}
 rm -r %{buildroot}%{_prefix}/share/doc/openarc
 rm %{buildroot}/%{_libdir}/*.la
 
 
 cat > %{buildroot}%{_sysconfdir}/openarc.conf <<EOF
-## See openarc.conf(5) or %{_docdir}/%{name}-%{version}/openarc.conf.sample for more
-PidFile %{_localstatedir}/run/openarc/openarc.pid
+## See openarc.conf(5) or %{_docdir}/%{name}%{?rhel:-%{version}}/openarc.conf.sample for more
+PidFile %{_localstatedir}/run/%{name}/%{name}.pid
 Syslog  yes
 #Umask   002
 UserID  openarc:openarc
-Socket  inet:8894@localhost
+Socket  local:%{_localstatedir}/run/%{name}/%{name}.sock
+SignHeaders to,subject,message-id,date,from,mime-version,dkim-signature
+PeerList %{_sysconfdir}/%{name}/PeerList
+MilterDebug 6
+EnableCoredumps yes
 
 ## After setting Mode to "sv", running
 ## opendkim-genkey -D %{_sysconfdir}/openarc -s key -d `hostname --domain`
 ## and putting %{_sysconfdir}/openarc
+#Mode                    sv
 #Canonicalization        relaxed/simple
 #Domain                  example.com # change to domain
 #Selector                key
@@ -89,6 +100,12 @@ Socket  inet:8894@localhost
 #SignatureAlgorithm rsa-sha256
 EOF
 
+# Don't sign or validate connections from localhost
+cat > %{buildroot}%{_sysconfdir}/%{name}/PeerList <<EOF
+127.0.0.1/32
+[::1]/128
+EOF
+chmod 0640 %{buildroot}%{_sysconfdir}/%{name}/PeerList
 
 %if %systemd
 install -d -m 0755 %{buildroot}%{_unitdir}
@@ -156,15 +173,14 @@ fi
 exit 0
 %endif
 
-%post -n libopenarc -p /sbin/ldconfig
-
-%postun -n libopenarc -p /sbin/ldconfig
-
+%ldconfig_scriptlets -n libopenarc
 
 %files
-%defattr(-,root,root)
-%doc LICENSE LICENSE.Sendmail README RELEASE_NOTES
+%license LICENSE LICENSE.Sendmail
+%doc README RELEASE_NOTES openarc/openarc.conf.sample
 %config(noreplace) %{_sysconfdir}/openarc.conf
+%dir %attr(-,%{name},%{name}) %{_sysconfdir}/%{name}
+%config(noreplace) %{_sysconfdir}/%{name}/PeerList
 
 %if %{tmpfiles}
 %{_tmpfilesdir}/%{name}.conf
@@ -182,17 +198,19 @@ exit 0
 
 
 %files -n libopenarc
-%doc LICENSE LICENSE.Sendmail
-%defattr(-,root,root)
-%{_libdir}/*.so.*
+%license LICENSE LICENSE.Sendmail
+%{_libdir}/*.so.0
+%{_libdir}/*.so.0.0.0
 
 %files -n libopenarc-devel
-%defattr(-,root,root)
-%doc LICENSE LICENSE.Sendmail
 %{_includedir}/*
 %{_libdir}/*.so
 %{_libdir}/pkgconfig/*.pc
 
 %changelog
+* Wed Jul 11 2018 Xavier Bachelot <xavier@bachelot.org> 1.0.0-0.1.Beta0
+- Specfile clean up.
+- Update to 1.0.0 beta 0.
+
 * Sun Jul 23 2017  Matt Domsch <matt@domsch.com> 0.1.0-1
 - update to Fedora Packaging Guidelines