Java tutorial
//package com.java2s; /* * Aipo is a groupware program developed by Aimluck,Inc. * Copyright (C) 2004-2011 Aimluck,Inc. * http://www.aipo.com * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import javax.mail.MessagingException; import javax.mail.internet.MimeMessage; public class Main { public static String getRawReplyTo(MimeMessage msg) { String rawReplyto = null; try { rawReplyto = msg.getHeader("Reply-To", ","); if (rawReplyto == null) { rawReplyto = getRawFrom(msg); } } catch (MessagingException ignore) { } return null != rawReplyto ? rawReplyto : ""; } public static String getRawFrom(MimeMessage msg) { String rawFrom = null; try { rawFrom = msg.getHeader("From", ","); if (null == rawFrom) { rawFrom = msg.getHeader("Sender", ","); } } catch (MessagingException ignore) { } return null != rawFrom ? rawFrom : ""; } }