diff --git a/install_amavis.sh b/install_amavis.sh
index d3a3533..01bbd54 100755
--- a/install_amavis.sh
+++ b/install_amavis.sh
@@ -4431,14 +4431,13 @@ EOF
 
 if [[ "$?" -ne 0 ]] ; then
    installation_failed=true
-   error "$(cat $tmp_err_msg)"
 fi
 
 
 if [[ "${DB_TYPE}" = "PostgreSQL" ]] || [[ "${DB_TYPE}" = "MySQL" ]]; then
 
    if [[ "$DB_TYPE" = "PostgreSQL" ]]; then
-      _db="psql"
+      _db="pgsql"
    else
       _db="mysql"
    fi
@@ -4450,7 +4449,6 @@ EOF
 
    if [[ "$?" -ne 0 ]] ; then
       installation_failed=true
-      error "$(cat $tmp_err_msg)"
    fi
 
 
@@ -4464,39 +4462,38 @@ EOF
 
       if [[ "$?" -ne 0 ]] ; then
          installation_failed=true
-         error "$(cat $tmp_err_msg)"
       fi
 
 
    fi
 
+
    if [[ -f "/etc/postfix/${_db}_relay-domain-maps.cf" ]]; then
 
       cat >> /etc/amavis/conf.d/50-user <<EOF
 
-   # Domains, die als relay_domains akzeptiert werden:
+   # Domains, die als Relay Domains akzeptiert werden:
    '${_db}:/etc/postfix/${_db}_relay-domain-maps.cf',
 EOF
 
       if [[ "$?" -ne 0 ]] ; then
          installation_failed=true
-         error "$(cat $tmp_err_msg)"
       fi
 
 
    fi
 
-   if grep -iq -E "^\s*btree:/etc/postfix/relay_domains" $postfix_main_cf > /dev/null 2>&1 ; then
+
+   if grep -iq -E "^\s*btree:/etc/postfix/relay_domains" "/etc/postfix/main.cf" > /dev/null 2>&1 ; then
 
       cat >> /etc/amavis/conf.d/50-user <<EOF
 
-   # Domains, die als virtuelle Mailbox-Domains gehostet sind:
-   '${_db}:/etc/postfix/${_db}_relay-domain-maps.cf',
+   # weiter Domains, die als Relay Domains akzeptiert werden
+   'btree:/etc/postfix/relay_domains',
 EOF
 
       if [[ "$?" -ne 0 ]] ; then
          installation_failed=true
-         error "$(cat $tmp_err_msg)"
       fi
 
 
@@ -4506,6 +4503,10 @@ EOF
 );
 EOF
 
+echo ""
+echo "hallo 9"
+echo ""
+
 else
    cat >> /etc/amavis/conf.d/50-user <<'EOF'
 @local_domains_maps = ( ["."] );