Java使用微软Exchange邮箱发送与接收邮件

依懒：
<dependency><groupId>com.microsoft.ews-java-api</groupId><artifactId>ews-java-api</artifactId><version>2.0</version>
</dependency>

MailConfig加载邮件配置信息

public class MailConfig {private static final String PROPERTIES_DEFAULT = "/conf.properties";//配置文件地址public static String host;public static Integer port;public static String userName;public static String passWord;public static String emailForm;public static String timeout;public static String personal;public static Properties properties;public static String mailServer;public static String domain;static{init();}/*** 初始化*/private static void init() {properties = new Properties();PropertiesLoader prot = new PropertiesLoader(PROPERTIES_DEFAULT);try{host =prot.getProperty("mail.smtp.host");port = Integer.parseInt(prot.getProperty("mail.smtp.port"));userName = prot.getProperty("mail.username");passWord = prot.getProperty("mail.password");emailForm = prot.getProperty("mail.username");timeout = prot.getProperty("mail.smtp.timeout");mailServer = prot.getProperty("mail.exchange.server");domain = prot.getProperty("mail.domain");} catch(Exception e){e.printStackTrace();}}
}

邮件发送工具类

public class ExchangeMailUtil {private static String mailServer;private static String user;private static String password;private static String domain;static{mailServer = MailConfig.mailServer;user = MailConfig.userName;password = MailConfig.passWord;domain = MailConfig.domain;}/*** 创建邮件服务** @return 邮件服务*/private static ExchangeService getExchangeService() {ExchangeService service = new ExchangeService(ExchangeVersion.Exchange2010_SP2);//用户认证信息ExchangeCredentials credentials;if (domain == null) {credentials = new WebCredentials(user, password);} else {credentials = new WebCredentials(user, password, domain);}service.setCredentials(credentials);try {service.setUrl(new URI(mailServer));
//            service.autodiscoverUrl(user);//自动获取邮箱服务器地址
//            URI url = service.getUrl();
//            System.out.println(url.toString());} catch (Exception e) {e.printStackTrace();}return service;}/*** 收取邮件** @param max          最大收取邮件数* @param searchFilter 收取邮件过滤规则s* @return* @throws Exception*/public static ArrayList<EmailMessage> receive(int max, SearchFilter searchFilter) throws Exception {ExchangeService service = new ExchangeService(ExchangeVersion.Exchange2010_SP2);ExchangeCredentials credentials = new WebCredentials(user, password);service.setCredentials(credentials);service.setUrl(new URI(mailServer));//绑定收件箱,同样可以绑定发件箱Folder inbox = Folder.bind(service, WellKnownFolderName.Inbox);//获取文件总数量int count = inbox.getTotalCount();if (max > 0) {count = count > max ? max : count;}//循环获取邮箱邮件ItemView view = new ItemView(count);//按照时间顺序收取view.getOrderBy().add(ItemSchema.DateTimeReceived, SortDirection.Descending);FindItemsResults<Item> findResults;if (searchFilter == null) {findResults = service.findItems(inbox.getId(), view);} else {findResults = service.findItems(inbox.getId(), searchFilter, view);}service.loadPropertiesForItems(findResults, PropertySet.FirstClassProperties);ArrayList<EmailMessage> result = new ArrayList<>();for (Item item : findResults.getItems()) {EmailMessage message = (EmailMessage) item;result.add(message);}return result;}/*** 收取所有邮件** @throws Exception*/public static ArrayList<EmailMessage> receive(int max) throws Exception {return receive(max, null);}/*** 收取邮件** @throws Exception*/public static ArrayList<EmailMessage> receive() throws Exception {return receive(0, null);}/*** 发送带附件的mail** @param subject         邮件标题* @param to              收件人列表* @param cc              抄送人列表* @param bodyText        邮件内容* @param attachmentPaths 附件地址列表* @throws Exception*/public static boolean send(String subject, String[] to, String[] cc, String bodyText, String[] attachmentPaths) {boolean f = false;try {ExchangeService service = getExchangeService();EmailMessage msg = new EmailMessage(service);msg.setSubject(subject);MessageBody body = MessageBody.getMessageBodyFromText(bodyText);body.setBodyType(BodyType.HTML);msg.setBody(body);for (String toPerson : to) {msg.getToRecipients().add(toPerson);}if (cc != null) {for (String ccPerson : cc) {msg.getCcRecipients().add(ccPerson);}}if (attachmentPaths != null) {for (String attachmentPath : attachmentPaths) {msg.getAttachments().addFileAttachment(attachmentPath);}}msg.send();f = true;} catch (Exception e) {e.printStackTrace();return f;}return f;}/*** 发送不带附件的mail** @param subject  邮件标题* @param to       收件人列表* @param cc       抄送人列表* @param bodyText 邮件内容* @throws Exception*/public static boolean send(String subject, String[] to, String[] cc, String bodyText) throws Exception {return send(subject, to, cc, bodyText, null);}

注意：

一、客户用的是微软exchange企业邮箱，以前在配置邮箱服务器的时候一般为邮箱后缀，结果这次完成不一样，后以自动获取邮箱服务器然后打印出来才知道。

二、安装证书

javac InstallCert.java

java InstallCert 要访问的网址

会在相应的目录下产生一个名为‘jssecacerts’的证书。将证书copy到$JAVA_HOME/jre/lib/security目录下

下面附上InstallCert.java


/** Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.** Redistribution and use in source and binary forms, with or without* modification, are permitted provided that the following conditions* are met:**   - Redistributions of source code must retain the above copyright*     notice, this list of conditions and the following disclaimer.**   - Redistributions in binary form must reproduce the above copyright*     notice, this list of conditions and the following disclaimer in the*     documentation and/or other materials provided with the distribution.**   - Neither the name of Sun Microsystems nor the names of its*     contributors may be used to endorse or promote products derived*     from this software without specific prior written permission.** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.*/import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.security.KeyStore;
import java.security.MessageDigest;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLException;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;public class InstallCert {public static void main(String[] args) throws Exception {String host;int port;char[] passphrase;if ((args.length == 1) || (args.length == 2)) {String[] c = args[0].split(":");host = c[0];port = (c.length == 1) ? 443 : Integer.parseInt(c[1]);String p = (args.length == 1) ? "changeit" : args[1];passphrase = p.toCharArray();} else {System.out.println("Usage: java InstallCert <host>[:port] [passphrase]");return;}File file = new File("jssecacerts");if (file.isFile() == false) {char SEP = File.separatorChar;File dir = new File(System.getProperty("java.home") + SEP + "lib"+ SEP + "security");file = new File(dir, "jssecacerts");if (file.isFile() == false) {file = new File(dir, "cacerts");}}System.out.println("Loading KeyStore " + file + "...");InputStream in = new FileInputStream(file);KeyStore ks = KeyStore.getInstance(KeyStore.getDefaultType());ks.load(in, passphrase);in.close();SSLContext context = SSLContext.getInstance("TLS");TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());tmf.init(ks);X509TrustManager defaultTrustManager = (X509TrustManager) tmf.getTrustManagers()[0];SavingTrustManager tm = new SavingTrustManager(defaultTrustManager);context.init(null, new TrustManager[] { tm }, null);SSLSocketFactory factory = context.getSocketFactory();System.out.println("Opening connection to " + host + ":" + port + "...");SSLSocket socket = (SSLSocket) factory.createSocket(host, port);socket.setSoTimeout(10000);try {System.out.println("Starting SSL handshake...");socket.startHandshake();socket.close();System.out.println();System.out.println("No errors, certificate is already trusted");} catch (SSLException e) {System.out.println();e.printStackTrace(System.out);}X509Certificate[] chain = tm.chain;if (chain == null) {System.out.println("Could not obtain server certificate chain");return;}BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));System.out.println();System.out.println("Server sent " + chain.length + " certificate(s):");System.out.println();MessageDigest sha1 = MessageDigest.getInstance("SHA1");MessageDigest md5 = MessageDigest.getInstance("MD5");for (int i = 0; i < chain.length; i++) {X509Certificate cert = chain[i];System.out.println(" " + (i + 1) + " Subject "+ cert.getSubjectDN());System.out.println("   Issuer  " + cert.getIssuerDN());sha1.update(cert.getEncoded());System.out.println("   sha1    " + toHexString(sha1.digest()));md5.update(cert.getEncoded());System.out.println("   md5     " + toHexString(md5.digest()));System.out.println();}System.out.println("Enter certificate to add to trusted keystore or 'q' to quit: [1]");String line = reader.readLine().trim();int k;try {k = (line.length() == 0) ? 0 : Integer.parseInt(line) - 1;} catch (NumberFormatException e) {System.out.println("KeyStore not changed");return;}X509Certificate cert = chain[k];String alias = host + "-" + (k + 1);ks.setCertificateEntry(alias, cert);OutputStream out = new FileOutputStream("jssecacerts");ks.store(out, passphrase);out.close();System.out.println();System.out.println(cert);System.out.println();System.out.println("Added certificate to keystore 'jssecacerts' using alias '"+ alias + "'");}private static final char[] HEXDIGITS = "0123456789abcdef".toCharArray();private static String toHexString(byte[] bytes) {StringBuilder sb = new StringBuilder(bytes.length * 3);for (int b : bytes) {b &= 0xff;sb.append(HEXDIGITS[b >> 4]);sb.append(HEXDIGITS[b & 15]);sb.append(' ');}return sb.toString();}private static class SavingTrustManager implements X509TrustManager {private final X509TrustManager tm;private X509Certificate[] chain;SavingTrustManager(X509TrustManager tm) {this.tm = tm;}public X509Certificate[] getAcceptedIssuers() {throw new UnsupportedOperationException();}public void checkClientTrusted(X509Certificate[] chain, String authType)throws CertificateException {throw new UnsupportedOperationException();}public void checkServerTrusted(X509Certificate[] chain, String authType)throws CertificateException {this.chain = chain;tm.checkServerTrusted(chain, authType);}}}

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