标签: jakarta-mail

我正在尝试实现Java Mail servlet,第一步是连接到IMAP服务器.

我能够通过端口143(默认IMAP端口)telnet到服务器,telnet说: OK The Microsoft Exchange IMAP4 service is ready.

现在我尝试使用Java Mail API连接到服务器,如下所示:

Properties props = new Properties();
session = Session.getDefaultInstance(props, null);
store = session.getStore("imap");
store.connect("host","user","password");

我能够使用现有的Outlook Webapp连接到同一台服务器,并使用与我在java中传递给它的相同凭据.

但运行此命令session.setDebug(true)会产生以下输出:

DEBUG: setDebug: JavaMail version 1.4.5
DEBUG: getProvider() returning javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Sun Microsystems, Inc]
DEBUG: mail.imap.fetchsize: 16384
DEBUG: mail.imap.statuscachetimeout: 1000
DEBUG: mail.imap.appendbuffersize: -1
DEBUG: mail.imap.minidletime: 10
DEBUG: trying to connect to host "myHost", port 143, isSSL false
* OK The Microsoft Exchange IMAP4 service is ready.
A0 CAPABILITY
* CAPABILITY …

我正在尝试在android中构建一个电子邮件客户端应用程序,现在我想配置javaMail部分.

我正在尝试与imap服务器建立连接,但我的代码有问题..这是我的代码:

package mailpackage;

import java.util.Properties;

import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.NoSuchProviderException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Store;

public class Connection implements Runnable
{
    boolean done;

    public Connection()
    {
        this.done=false;
    }

    @Override
    public void run()
    {
        System.out.println("Hello from Connection Thread!");
        while(!done)
        {
            String host = "myhost";// change accordingly
            String mailStoreType = "imap";
            String username = "myusername";// change accordingly
            String password = "mypasswd";// change accordingly

            check(host, mailStoreType, username, password);

        }
    }

    public static void receiveEmail(String host, String storeType,  String …

javax.mail.MessagingException: Exception reading response;
  nested exception is:
        javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
        at com.sun.mail.smtp.SMTPTransport.readServerResponse(SMTPTransport.java:1764)
        at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1523)
        at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:453)
        at javax.mail.Service.connect(Service.java:313)
        at javax.mail.Service.connect(Service.java:172)
        at javax.mail.Service.connect(Service.java:121)
        at javax.mail.Transport.send0(Transport.java:190)
        at javax.mail.Transport.send(Transport.java:120)
        at javaapplication5.SendMail.send(SendMail.java:77)
        at javaapplication5.SendMailTest.main(SendMailTest.java:17)
Caused by: javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?
        at com.sun.net.ssl.internal.ssl.InputRecord.handleUnknownRecord(InputRecord.java:523)
        at com.sun.net.ssl.internal.ssl.InputRecord.read(InputRecord.java:355)
        at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:789)
        at com.sun.net.ssl.internal.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1112)
        at com.sun.net.ssl.internal.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:744)
        at com.sun.net.ssl.internal.ssl.AppInputStream.read(AppInputStream.java:75)
        at com.sun.mail.util.TraceInputStream.read(TraceInputStream.java:106)
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
        at com.sun.mail.util.LineInputStream.readLine(LineInputStream.java:84)
        at com.sun.mail.smtp.SMTPTransport.readServerResponse(SMTPTransport.java:1742)
        ... 9 more

任何人都可以帮我使用代理使用JavaMail API发送邮件吗？

我试图借助JavaMail API通过IMAP访问Gmail帐户中的电子邮件.我想知道为什么代码适用于一个电子邮件帐户但不适用于另一个.

我可以访问Inbox两个电子邮件帐户的文件夹.但对于其中一个电子邮件帐户,其他文件夹SPAM([Gmail]/Spam)无法访问,并引发FolderNotFoundException异常.有人可以解释一下出了什么问题吗？

先感谢您.

这是代码:

import java.io.*;
import java.util.*;
import javax.mail.*;
import javax.mail.Flags.Flag;
import javax.mail.internet.*;

import com.sun.mail.imap.IMAPFolder;
import com.sun.mail.imap.IMAPMessage;


public class FolderFetchIMAP {


    public static void main(String[] args) throws MessagingException, IOException {
        IMAPFolder folder = null;
        Store store = null;
        String subject = null;
        Flag flag = null;
        try 
        {
          Properties props = System.getProperties();
          props.setProperty("mail.store.protocol", "imaps");

          Session session = Session.getDefaultInstance(props, null);

          store = session.getStore("imaps");
          store.connect("imap.googlemail.com","myemailid@gmail.com", "password");

          folder = (IMAPFolder) store.getFolder("[Gmail]/Spam"); // This doesn't work …

我必须用Java实现IMAP客户端.

使用Apache Commons Net库有哪些优势？它是否使实现更健壮,更灵活？

我如何处理返回值,它总是产生字符串.

例如:

public static void main(String[] args) throws Exception {
    IMAPClient client = new IMAPClient();
    client.connect(SERVER);
    client.login(USERNAME, PASSWORD);
    client.select("INBOX");
    client.fetch("1", "body[header]");
}

我们可以将输出定向到字符串

client.addProtocolCommandListener(new PrintCommandListener(System.out, true));

但是,如何将文件夹列表作为文件夹实例而不是纯字符串输出？

我正在尝试在用户注册后发送确认电子邮件.我正在使用JavaMail库和Java 8 Base64 util类.

我正在以下列方式编码用户电子邮件:

byte[] encodedEmail = Base64.getUrlEncoder().encode(user.getEmail().getBytes(StandardCharsets.UTF_8));
Multipart multipart = new MimeMultipart();
InternetHeaders headers = new InternetHeaders();
headers.addHeader("Content-type", "text/html; charset=UTF-8");
String confirmLink = "Complete your registration by clicking on following"+ "\n<a href='" + confirmationURL + encodedEmail + "'>link</a>";
MimeBodyPart link = new MimeBodyPart(headers,
confirmLink.getBytes("UTF-8"));
multipart.addBodyPart(link);

在哪里confirmationURL:

private final static String confirmationURL = "http://localhost:8080/project/controller?command=confirmRegistration&ID=";

然后以这种方式在ConfirmRegistrationCommand中对此进行解码:

    String encryptedEmail = request.getParameter("ID");

    String decodedEmail = new String(Base64.getUrlDecoder().decode(encryptedEmail), StandardCharsets.UTF_8);

    RepositoryFactory repositoryFactory = RepositoryFactory
            .getFactoryByName(FactoryType.MYSQL_REPOSITORY_FACTORY);
    UserRepository userRepository = repositoryFactory.getUserRepository();
    User user = …

首先,我需要说发送1.2.0.RELEASE的电子邮件工作正常

application.properties:

spring.mail.host = smtp.gmail.com
spring.mail.username = *****@gmail.com
spring.mail.password = ****
spring.mail.properties.mail.smtp.auth = true
spring.mail.properties.mail.smtp.socketFactory.port = 465
spring.mail.properties.mail.smtp.socketFactory.class = javax.net.ssl.SSLSocketFactory
spring.mail.properties.mail.smtp.socketFactory.fallback = false

pox.xml

<parent>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-parent</artifactId>
     <version>1.2.0.RELEASE</version>
     <relativePath/>
</parent>

.......

<dependency>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-web</artifactId>
</dependency>

<dependency>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-mail</artifactId>
</dependency>

将父版本更改为1.2.5.RELEASE电子邮件发送无效

文档说: 如果spring.mail.host和相关库(由spring-boot-starter-mail定义)可用,则创建默认JavaMailSender(如果不存在).

所以我补充说

<dependency>
    <groupId>javax.mail</groupId>
    <artifactId>mail</artifactId>
    <version>1.4.7</version>
</dependency>

它没有帮助,然后我已经取而代之

<dependency>
    <groupId>com.sun.mail</groupId>
    <artifactId>javax.mail</artifactId>
    <version>1.5.4</version>
</dependency>

我也试过了

spring.mail.host = smtp.gmail.com
spring.mail.username = *****@gmail.com
spring.mail.password = ****
spring.mail.port = 465

结果一样.

手动创建和配置@Bean不是问题.但是我想要使用Spring Boot的所有美感.
请指出我的错误.

提前致谢

我有一个类,它有一个在xml中定义的init方法

<bean id="appStarter" class="com.myapp.myClass" init-method="init" destroy-method="destroy"/>

我的课:

public class myClass{

    private Thread t;

    public void init() {

             t = new Thread() {

                @Override
                public void run() {
                    while (true)
                        try {
                            doStuff();
                            Thread.sleep(1000);
                        } catch (Exception e) {
                            e.printStackTrace();
                        }
                }

            };
            t.start();
        }

public void destroy() {
        t.interrupt();
    }

}

当应用程序启动时,这些线程运行正常,一切正常,一段时间后我得到以下异常.

INFO: Illegal access: this web application instance has been stopped already.  Could not load com.sun.mail.imap.IMAPStore.  The eventual following stack trace is caused by an error thrown for debugging …

我目前正在尝试使用JavaMail从IMAP服务器(Gmail和其他人)获取电子邮件.基本上,我的代码工作:我确实可以得到标题,正文内容等.我的问题如下:当处理IMAP服务器(没有SSL)时,处理消息基本上需要1-2ms.当我使用IMAPS服务器(因此使用SSL,例如Gmail)时,我的消息达到250米左右.我只测量处理消息的时间(不考虑连接,握手等).

我知道,因为这是SSL,所以数据是加密的.但是,解密的时间不应该那么重要,不是吗？

我已经尝试设置更高的ServerCacheSize值,更高的connectionpoolsize,但我的想法很严重.谁有人遇到这个问题？有人可能希望解决它吗？

我担心JavaMail API每次从IMAPS服务器获取邮件时都会使用不同的连接(涉及握手的开销......).如果是这样,有没有办法覆盖这种行为？

这是从Main()类调用的代码(虽然非常标准):

 public static int connectTest(String SSL, String user, String pwd, String host) throws IOException,
                                                                               ProtocolException,
                                                                               GeneralSecurityException {

    Properties props = System.getProperties();
    props.setProperty("mail.store.protocol", SSL);
    props.setProperty("mail.imaps.ssl.trust", host);
    props.setProperty("mail.imaps.connectionpoolsize", "10");

    try {


        Session session = Session.getDefaultInstance(props, null);

        // session.setDebug(true);

        Store store = session.getStore(SSL);
        store.connect(host, user, pwd);      
        Folder inbox = store.getFolder("INBOX");

        inbox.open(Folder.READ_ONLY);                
        int numMess = inbox.getMessageCount();
        Message[] messages = inbox.getMessages();

        for (Message m : messages) {

            m.getAllHeaders();
            m.getContent();
        }

        inbox.close(false);
        store.close();
        return numMess;
    } catch (MessagingException e) {
        e.printStackTrace(); …

目前我正在编写一个将要监听目录的代码.当使用.apk文件更新目录时,我会将带有此.apk文件的邮件发送到gmail帐户.我在我的程序中使用Jnotify和JAVA Mail.

我得到的错误是,

javax.mail.MessagingException: IOException while sending message;
  nested exception is:
javax.activation.UnsupportedDataTypeException: no object DCH for MIME type multipart/mixed; boundary="----=_Part_0_145238.1392728439484"

我在stackoverflow中寻找了解决方案以寻求帮助,但没有一个在哪里有用.

提前致谢

public void fileCreated(int wd, String rootPath, String name) {
    print("created " + rootPath + " : " + name);

    if (name.contains(".apk"))
      SendEmail(name);
    else
        System.out.println("Not the APK file");
}

void SendEmail(String strname){
    String Path = "D:/POC/Email/apk folder/"+strname;
    System.out.println("Path->" + Path);

    Properties props = new Properties();
    props.put("mail.smtp.host","173.194.78.108");
    props.put("mail.smtp.socketFactory.port", "465");
    props.put("mail.smtp.socketFactory.class","javax.net.ssl.SSLSocketFactory");
    props.put("mail.smtp.auth","true");
    props.put("mail.smtp.port","465");

    System.out.println("Properties has been set properly");

    Session session = …