diff --git a/configure b/configure
index 1758514..9491bfe 100755
--- a/configure
+++ b/configure
@@ -695,6 +695,7 @@
 ac_user_opts='
 enable_option_checking
 enable_static_build
+enable_compat_layout
 enable_clamd
 enable_memcached
 enable_starttls
@@ -1320,6 +1321,7 @@
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --enable-static-build   build statically linked executables (default: dynamically linked)
+  --enable-compat-layout  support for older storage layout (default: no)
   --enable-clamd          build clamd antivirus support
   --enable-memcached      build memcached support
   --enable-starttls       build starttls support
@@ -3457,6 +3459,7 @@
 timeout_binary=""
 
 have_static_build="no"
+have_compat_storage_layout="no"
 
 antispam_libs="-lz -lm -ldl -lcrypto -lssl"
 defs=""
@@ -3500,6 +3503,16 @@
 
 
 
+# Check whether --enable-compat-layout was given.
+if test "${enable_compat_layout+set}" = set; then :
+  enableval=$enable_compat_layout; have_compat_storage_layout=$enableval
+else
+  have_compat_storage_layout="no"
+fi
+
+
+
+
 
 # Check whether --enable-clamd was given.
 if test "${enable_clamd+set}" = set; then :
@@ -4665,6 +4678,16 @@
 
 echo
 
+if test "$have_compat_storage_layout" = "yes"; then
+   echo "support for older storage layout: yes"
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_SUPPORT_FOR_COMPAT_STORAGE_LAYOUT 1
+_ACEOF
+
+fi
+
+
 if test "$have_mysql" = "yes"; then
    echo "database: mysql"
 fi
diff --git a/configure.in b/configure.in
index 9de3f79..f4f04e4 100644
--- a/configure.in
+++ b/configure.in
@@ -56,6 +56,7 @@
 timeout_binary=""
 
 have_static_build="no"
+have_compat_storage_layout="no"
 
 antispam_libs="-lz -lm -ldl -lcrypto -lssl"
 defs=""
@@ -94,6 +95,12 @@
           [  --enable-static-build   build statically linked executables (default: dynamically linked)], have_static_build=$enableval, have_static_build="no")
 
 
+dnl
+
+AC_ARG_ENABLE(compat-layout,
+          [  --enable-compat-layout  support for older storage layout (default: no)], have_compat_storage_layout=$enableval, have_compat_storage_layout="no")
+
+
 dnl clamd
 
 
@@ -390,6 +397,12 @@
 
 echo
 
+if test "$have_compat_storage_layout" = "yes"; then
+   echo "support for older storage layout: yes"
+   AC_DEFINE_UNQUOTED(HAVE_SUPPORT_FOR_COMPAT_STORAGE_LAYOUT, 1, [compat storage layout support])
+fi
+
+
 if test "$have_mysql" = "yes"; then
    echo "database: mysql"
 fi
diff --git a/piler-config.h.in b/piler-config.h.in
index fd37a06..8dbbe98 100644
--- a/piler-config.h.in
+++ b/piler-config.h.in
@@ -24,3 +24,6 @@
 #undef HAVE_LIBWRAP
 
 #undef HAVE_TWEAK_SENT_TIME
+
+#undef HAVE_SUPPORT_FOR_COMPAT_STORAGE_LAYOUT
+
diff --git a/src/archive.c b/src/archive.c
index 4dfcf71..66d7173 100644
--- a/src/archive.c
+++ b/src/archive.c
@@ -305,9 +305,11 @@
    }
 
    snprintf(filename, sizeof(filename)-1, "%s/%02x/%c%c%c/%c%c/%c%c/%s.m", cfg->queuedir, cfg->server_id, *(sdata->ttmpfile+8), *(sdata->ttmpfile+9), *(sdata->ttmpfile+10), *(sdata->ttmpfile+RND_STR_LEN-4), *(sdata->ttmpfile+RND_STR_LEN-3), *(sdata->ttmpfile+RND_STR_LEN-2), *(sdata->ttmpfile+RND_STR_LEN-1), sdata->ttmpfile);
+#ifdef HAVE_SUPPORT_FOR_COMPAT_STORAGE_LAYOUT
    if(stat(filename, &st)){
       snprintf(filename, sizeof(filename)-1, "%s/%02x/%c%c/%c%c/%c%c/%s.m", cfg->queuedir, cfg->server_id, *(sdata->ttmpfile+RND_STR_LEN-6), *(sdata->ttmpfile+RND_STR_LEN-5), *(sdata->ttmpfile+RND_STR_LEN-4), *(sdata->ttmpfile+RND_STR_LEN-3), *(sdata->ttmpfile+RND_STR_LEN-2), *(sdata->ttmpfile+RND_STR_LEN-1), sdata->ttmpfile);
    }
+#endif
 
    if(attachments == 0){
       retrieve_file_from_archive(filename, WRITE_TO_STDOUT, &buffer, dest, cfg);
@@ -330,9 +332,11 @@
                if(strlen(ptr_arr[i].piler_id) == RND_STR_LEN){
                   snprintf(filename, sizeof(filename)-1, "%s/%02x/%c%c%c/%c%c/%c%c/%s.a%d", cfg->queuedir, cfg->server_id, ptr_arr[i].piler_id[8], ptr_arr[i].piler_id[9], ptr_arr[i].piler_id[10], ptr_arr[i].piler_id[RND_STR_LEN-4], ptr_arr[i].piler_id[RND_STR_LEN-3], ptr_arr[i].piler_id[RND_STR_LEN-2], ptr_arr[i].piler_id[RND_STR_LEN-1], ptr_arr[i].piler_id, ptr_arr[i].attachment_id);
 
+               #ifdef HAVE_SUPPORT_FOR_COMPAT_STORAGE_LAYOUT
                   if(stat(filename, &st)){
                      snprintf(filename, sizeof(filename)-1, "%s/%02x/%c%c/%c%c/%c%c/%s.a%d", cfg->queuedir, cfg->server_id, ptr_arr[i].piler_id[RND_STR_LEN-6], ptr_arr[i].piler_id[RND_STR_LEN-5], ptr_arr[i].piler_id[RND_STR_LEN-4], ptr_arr[i].piler_id[RND_STR_LEN-3], ptr_arr[i].piler_id[RND_STR_LEN-2], ptr_arr[i].piler_id[RND_STR_LEN-1], ptr_arr[i].piler_id, ptr_arr[i].attachment_id);
                   }
+               #endif
 
                   retrieve_file_from_archive(filename, WRITE_TO_STDOUT, NULL, dest, cfg);
                }
diff --git a/src/extract.c b/src/extract.c
index b7cfc95..e2090a1 100644
--- a/src/extract.c
+++ b/src/extract.c
@@ -54,7 +54,7 @@
 
    z = zip_open(filename, ZIP_CHECKCONS, &errorp);
    if(!z){
-      syslog(LOG_INFO, "error: corrupt zip file=%s, error code=%d", filename, errorp);
+      syslog(LOG_INFO, "%s: error: corrupt zip file=%s, error code=%d", sdata->ttmpfile, filename, errorp);
       return 1;
    }
 
@@ -105,7 +105,7 @@
 
    z = zip_open(filename, ZIP_CHECKCONS, &errorp);
    if(!z){
-      syslog(LOG_INFO, "error: corrupt zip file=%s, error code=%d", filename, errorp);
+      syslog(LOG_INFO, "%s: error: corrupt zip file=%s, error code=%d", sdata->ttmpfile, filename, errorp);
       return 1;
    }
 
diff --git a/src/pileraget.c b/src/pileraget.c
index a4ac20d..be2bee1 100644
--- a/src/pileraget.c
+++ b/src/pileraget.c
@@ -45,9 +45,11 @@
    }
 
    snprintf(filename, sizeof(filename)-1, "%s/%02x/%c%c%c/%c%c/%c%c/%s.a%d", cfg.queuedir, cfg.server_id, argv[1][8], argv[1][9], argv[1][10], argv[1][RND_STR_LEN-4], argv[1][RND_STR_LEN-3], argv[1][RND_STR_LEN-2], argv[1][RND_STR_LEN-1], argv[1], atoi(argv[2]));
+#ifdef HAVE_SUPPORT_FOR_COMPAT_STORAGE_LAYOUT
    if(stat(filename, &st)){
       snprintf(filename, sizeof(filename)-1, "%s/%02x/%c%c/%c%c/%c%c/%s.a%d", cfg.queuedir, cfg.server_id, argv[1][RND_STR_LEN-6], argv[1][RND_STR_LEN-5], argv[1][RND_STR_LEN-4], argv[1][RND_STR_LEN-3], argv[1][RND_STR_LEN-2], argv[1][RND_STR_LEN-1], argv[1], atoi(argv[2]));
    }
+#endif
 
    retrieve_file_from_archive(filename, WRITE_TO_STDOUT, NULL, stdout, &cfg);
 
diff --git a/src/pilerpurge.c b/src/pilerpurge.c
index 942d0f5..ce9de88 100644
--- a/src/pilerpurge.c
+++ b/src/pilerpurge.c
@@ -69,9 +69,11 @@
       if(strlen(puf) == RND_STR_LEN){
          snprintf(filename, sizeof(filename)-1, "%s/%02x/%c%c%c/%c%c/%c%c/%s.m", cfg->queuedir, cfg->server_id, puf[8], puf[9], puf[10], puf[RND_STR_LEN-4], puf[RND_STR_LEN-3], puf[RND_STR_LEN-2], puf[RND_STR_LEN-1], puf);
 
+      #ifdef HAVE_SUPPORT_FOR_COMPAT_STORAGE_LAYOUT
          if(stat(filename, &st)){
             snprintf(filename, sizeof(filename)-1, "%s/%02x/%c%c/%c%c/%c%c/%s.m", cfg->queuedir, cfg->server_id, puf[RND_STR_LEN-6], puf[RND_STR_LEN-5], puf[RND_STR_LEN-4], puf[RND_STR_LEN-3], puf[RND_STR_LEN-2], puf[RND_STR_LEN-1], puf);
          }
+      #endif
 
          if(dryrun == 1){
             n++;
@@ -147,9 +149,11 @@
    while(p_fetch_results(data->stmt_select_non_referenced_attachments) == OK){
 
       snprintf(filename, sizeof(filename)-1, "%s/%02x/%c%c%c/%c%c/%c%c/%s.a%d", cfg->queuedir, cfg->server_id, piler_id[8], piler_id[9], piler_id[10], piler_id[RND_STR_LEN-4], piler_id[RND_STR_LEN-3], piler_id[RND_STR_LEN-2], piler_id[RND_STR_LEN-1], piler_id, attachment_id);
+   #ifdef HAVE_SUPPORT_FOR_COMPAT_STORAGE_LAYOUT
       if(stat(filename, &st)){
          snprintf(filename, sizeof(filename)-1, "%s/%02x/%c%c/%c%c/%c%c/%s.a%d", cfg->queuedir, cfg->server_id, piler_id[RND_STR_LEN-6], piler_id[RND_STR_LEN-5], piler_id[RND_STR_LEN-4], piler_id[RND_STR_LEN-3], piler_id[RND_STR_LEN-2], piler_id[RND_STR_LEN-1], piler_id, attachment_id);
       }
+   #endif
 
       if(dryrun == 1){
          printf("removing attachment: *%s*\n", filename);
diff --git a/src/retr.c b/src/retr.c
index 3d77f98..a1f1bef 100644
--- a/src/retr.c
+++ b/src/retr.c
@@ -25,8 +25,10 @@
    snprintf(*buf, buflen, "%s/%02x/%c%c%c/%c%c/%c%c/%s", cfg->queuedir, cfg->server_id, f[8], f[9], f[10], f[RND_STR_LEN-4], f[RND_STR_LEN-3], f[RND_STR_LEN-2], f[RND_STR_LEN-1], f);
    if(!stat(*buf, &st)) return st.st_size;
 
+#ifdef HAVE_SUPPORT_FOR_COMPAT_STORAGE_LAYOUT
    snprintf(*buf, TINYBUFSIZE-1, "%s/%02x/%c%c/%c%c/%c%c/%s", cfg->queuedir, cfg->server_id, f[RND_STR_LEN-6], f[RND_STR_LEN-5], f[RND_STR_LEN-4], f[RND_STR_LEN-3], f[RND_STR_LEN-2], f[RND_STR_LEN-1], f);
    if(!stat(*buf, &st)) return st.st_size;
+#endif
 
    return 0;
 }