001 /**************************************************************** 002 * Licensed to the Apache Software Foundation (ASF) under one * 003 * or more contributor license agreements. See the NOTICE file * 004 * distributed with this work for additional information * 005 * regarding copyright ownership. The ASF licenses this file * 006 * to you under the Apache License, Version 2.0 (the * 007 * "License"); you may not use this file except in compliance * 008 * with the License. You may obtain a copy of the License at * 009 * * 010 * http://www.apache.org/licenses/LICENSE-2.0 * 011 * * 012 * Unless required by applicable law or agreed to in writing, * 013 * software distributed under the License is distributed on an * 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 015 * KIND, either express or implied. See the License for the * 016 * specific language governing permissions and limitations * 017 * under the License. * 018 ****************************************************************/ 019 020 021 package org.apache.james.jspf.core; 022 023 /** 024 * Interface which holds Constants for SPF 025 */ 026 public interface SPF1Constants { 027 028 /** 029 * Qualifier for PASS 030 */ 031 public static final String PASS = "+"; 032 033 /** 034 * Qualifier for NEUTRAL 035 */ 036 public static final String NEUTRAL = "?"; 037 038 /** 039 * Qualifier for FAIL 040 */ 041 public static final String FAIL = "-"; 042 043 /** 044 * Qualifier for SOFTFAIL 045 */ 046 public static final String SOFTFAIL = "~"; 047 048 /** 049 * The valid SPF_VERSION identifier 050 */ 051 public static final String SPF_VERSION1 = "v=spf1"; 052 053 }