1 /**************************************************************** 2 * Licensed to the Apache Software Foundation (ASF) under one * 3 * or more contributor license agreements. See the NOTICE file * 4 * distributed with this work for additional information * 5 * regarding copyright ownership. The ASF licenses this file * 6 * to you under the Apache License, Version 2.0 (the * 7 * "License"); you may not use this file except in compliance * 8 * with the License. You may obtain a copy of the License at * 9 * * 10 * http://www.apache.org/licenses/LICENSE-2.0 * 11 * * 12 * Unless required by applicable law or agreed to in writing, * 13 * software distributed under the License is distributed on an * 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * 15 * KIND, either express or implied. See the License for the * 16 * specific language governing permissions and limitations * 17 * under the License. * 18 ****************************************************************/ 19 20 21 package org.apache.james.jspf.core; 22 23 /** 24 * Interface which holds Constants for SPF 25 */ 26 public interface SPF1Constants { 27 28 /** 29 * Qualifier for PASS 30 */ 31 public static final String PASS = "+"; 32 33 /** 34 * Qualifier for NEUTRAL 35 */ 36 public static final String NEUTRAL = "?"; 37 38 /** 39 * Qualifier for FAIL 40 */ 41 public static final String FAIL = "-"; 42 43 /** 44 * Qualifier for SOFTFAIL 45 */ 46 public static final String SOFTFAIL = "~"; 47 48 /** 49 * The valid SPF_VERSION identifier 50 */ 51 public static final String SPF_VERSION1 = "v=spf1"; 52 53 }