diff --git a/postfix.spec b/postfix.spec
index 4467b3a..9e7025a 100644
--- a/postfix.spec
+++ b/postfix.spec
@@ -23,7 +23,7 @@
 Name:           postfix
 Summary:        Postfix Mail Transport Agent
 Version:        3.3.1
-Release:        10
+Release:        11
 Epoch:          2
 URL:            http://www.postfix.org
 License:        (IBM and GPLv2+) or (EPL-2.0 and GPLv2+)
@@ -45,7 +45,7 @@ Patch10:        pflogsumm-1.1.5-ipv6-warnings-fix.patch
 
 Patch6000:      fix-postfix-build-failed.patch
 
-BuildRequires:  libdb-devel perl-generators pkgconfig zlib-devel systemd-units libicu-devel libnsl2-devel gcc m4 openldap-devel
+BuildRequires:  lmdb-devel perl-generators pkgconfig zlib-devel systemd-units libicu-devel libnsl2-devel gcc m4 openldap-devel
 BuildRequires:  cyrus-sasl-devel pcre-devel mariadb-connector-c-devel postgresql-devel sqlite-devel tinycdb-devel openssl-devel procps-ng
 Requires(post): systemd-sysv %{_sbindir}/alternatives %{_bindir}/openssl
 Requires(pre):  %{_sbindir}/groupadd %{_sbindir}/useradd
@@ -131,11 +131,13 @@ for f in README_FILES/TLS_{LEGACY_,}README TLS_ACKNOWLEDGEMENTS; do
 done
 
 %build
-unset AUXLIBS AUXLIBS_LDAP AUXLIBS_PCRE AUXLIBS_MYSQL AUXLIBS_PGSQL AUXLIBS_SQLITE AUXLIBS_CDB
+unset AUXLIBS AUXLIBS_LDAP AUXLIBS_LMDB AUXLIBS_PCRE AUXLIBS_MYSQL AUXLIBS_PGSQL AUXLIBS_SQLITE AUXLIBS_CDB
 CCARGS="-fPIC"
 AUXLIBS="-lnsl"
 CCARGS="${CCARGS} -DHAS_LDAP -DLDAP_DEPRECATED=1 %{?with_sasl:-DUSE_LDAP_SASL}"
 AUXLIBS_LDAP="-lldap -llber"
+CCARGS="${CCARGS} -DHAS_LMDB"
+AUXLIBS_LMDB="-llmdb"
 CCARGS="${CCARGS} -DHAS_PCRE -I%{_includedir}/pcre"
 AUXLIBS_PCRE="-lpcre"
 CCARGS="${CCARGS} -DHAS_MYSQL -I%{_includedir}/mysql"
@@ -163,8 +165,8 @@ CCARGS="${CCARGS} $(getconf LFS_CFLAGS)"
 LDFLAGS="%{?__global_ldflags} %{?_hardened_build:-Wl,-z,relro,-z,now}"
 
 make -f Makefile.init makefiles shared=yes dynamicmaps=yes \
-  %{?_hardened_build:pie=yes} CCARGS="${CCARGS}" AUXLIBS="${AUXLIBS}" \
-  AUXLIBS_LDAP="${AUXLIBS_LDAP}" AUXLIBS_PCRE="${AUXLIBS_PCRE}" \
+  %{?_hardened_build:pie=yes} CCARGS="${CCARGS} -DNO_DB" AUXLIBS="${AUXLIBS}" \
+  AUXLIBS_LDAP="${AUXLIBS_LDAP}" AUXLIBS_LMDB="${AUXLIBS_LMDB}" AUXLIBS_PCRE="${AUXLIBS_PCRE}" \
   AUXLIBS_MYSQL="${AUXLIBS_MYSQL}" AUXLIBS_PGSQL="${AUXLIBS_PGSQL}" \
   AUXLIBS_SQLITE="${AUXLIBS_SQLITE}" AUXLIBS_CDB="${AUXLIBS_CDB}"\
   DEBUG="" SHLIB_RPATH="-Wl,-rpath,%{postfix_shlib_dir} $LDFLAGS" \
@@ -275,7 +277,7 @@ function split_file
 }
 
 pushd %{buildroot}%{postfix_config_dir}
-for map in mysql pgsql sqlite cdb ldap pcre; do
+for map in mysql pgsql sqlite cdb ldap lmdb pcre; do
   rm -f dynamicmaps.cf.d/"$map" "postfix-files.d/$map"
   split_file "^\s*$map\b" "$map" dynamicmaps.cf
   sed -i "s|postfix-$map\\.so|%{postfix_shlib_dir}/\\0|" "dynamicmaps.cf.d/$map"
@@ -450,6 +452,11 @@ fi
 %{_bindir}/rmail.postfix
 %{_sbindir}/sendmail.postfix
 /usr/lib/sendmail.postfix
+
+%attr(0644, root, root) %{postfix_config_dir}/dynamicmaps.cf.d/lmdb            
+%attr(0644, root, root) %{postfix_config_dir}/postfix-files.d/lmdb            
+%attr(0755, root, root) %{postfix_shlib_dir}/postfix-lmdb.so                       
+
 %ghost %{_sysconfdir}/pam.d/smtp
 %ghost %attr(0755, root, root) %{_bindir}/mailq
 %ghost %attr(0755, root, root) %{_bindir}/newaliases
@@ -505,6 +512,12 @@ fi
 %{postfix_doc_dir}/README_FILES/*
 
 %changelog
+* Fri Jan 15 2021 gaihuiying <gaihuiying1@huawei.com> - 2:3.3.1-11
+- Type:requirement
+- ID:NA
+- SUG:NA
+- DESC:use lmdb instead of libdb
+
 * Wed Dec 25 2019 openEuler Buildteam <buildteam@openeuler.org> - 2:3.3.1-10
 - change permission of files