java: javamail 1.6.2 Create Receive Email using jdk 19
2022/2/2 17:14:09
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/** * 接收邮件 * 中文是乱码 未解决 * @param pop3Host pop.163.com * @param storeType pop3 * @param user geovindu@163.com * @param password geovindu * @author geovindu * @serialData@ * * * **/ public static void DuReceiveEmail(String pop3Host,String storeType, String user, String password){ Properties props = new Properties(); props.put("mail.pop3.host", pop3Host); props.put("mail.pop3.port", "110"); props.put("mail.pop3.starttls.enable", "false"); props.put("mail.store.protocol", "pop3"); Session session = Session.getInstance(props); try { Store mailStore = session.getStore(storeType); mailStore.connect(pop3Host, user, password); Folder folder = mailStore.getFolder("INBOX"); folder.open(Folder.READ_ONLY); Message[] emailMessages = folder.getMessages(); System.out.println("Total Message - " + emailMessages.length); //Iterate the messages for (int i = 0; i < emailMessages.length; i++) { Message message = emailMessages[i]; Address[] toAddress = message.getRecipients(Message.RecipientType.TO); System.out.println(); System.out.println("Email " + (i+1) + "-"); System.out.println("Subject - " + message.getSubject()); System.out.println("From - " + message.getFrom()[0]); System.out.println("To - "); for(int j = 0; j < toAddress.length; j++){ System.out.println(toAddress[j].toString()); } System.out.println("Text - " + message.getContent().toString()); } folder.close(false); mailStore.close(); } catch (Exception e) { e.printStackTrace(); System.err.println("Error in receiving email."); } } /** * 接收邮件 * 中文是乱码 未解决 * @param pop3Host pop.163.com * @param storeType pop3 imap * @param user geovindu@163.com * @param password * @author geovindu * * * **/ public static void receiveEmail(String pop3Host, String storeType, String user, String password) { try { //1) get the session object Properties properties = new Properties(); properties.put("mail.pop3.host", pop3Host); Session emailSession = Session.getDefaultInstance(properties); //2) create the POP3 store object and connect with the pop server POP3Store emailStore = (POP3Store) emailSession.getStore(storeType); emailStore.connect(user, password); //3) create the folder object and open it Folder emailFolder = emailStore.getFolder("INBOX"); emailFolder.open(Folder.READ_ONLY); //获取邮箱基本信息 // Map<String, Integer> map = DuMailHelper.emailInfo(emailFolder); // System.out.println(map); //4) retrieve the messages from the folder in an array and print it Message[] messages = emailFolder.getMessages(); // parseMessage(messages); for (int i = 0; i < messages.length; i++) { Message message = messages[i]; System.out.println("---------------------------------"); System.out.println("Email Number " + (i + 1)); System.out.println("Subject: " + message.getSubject()); System.out.println("From: " + message.getFrom()[0]); System.out.println("Text: " + message.getContent().toString()); } //5) close the store and folder objects emailFolder.close(false); emailStore.close(); } catch (NoSuchProviderException e) {e.printStackTrace();} catch (MessagingException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();} }
https://javaee.github.io/javamail/FAQ#commonmistakes
https://www.geeksforgeeks.org/sending-email-java-ssltls-authentication/
https://stackoverflow.com/questions/13980922/java-mail-api-encoding-problems
https://www.go4expert.com/articles/send-receive-mails-java-javamail-t3649/
https://community.oracle.com/tech/developers/discussion/1590874/send-an-email-encoded-in-utf-8-with-javamail-character-problems
QQ邮箱的收取邮件支持POP/IMAP两种协议,发送邮件采用SMTP协议,收件和发件均使用SSL协议来进行加密传输,采用SSL协议需要单独对帐户进行设置。采用SSL协议和非SSL协议时端口号有所区别,参照下表的一些常见配置组合:
类型 |
服务器名称 |
服务器地址 |
非SSL协议端口号 |
SSL协议端口号 |
发件服务器 |
SMTP |
smtp.qq.com |
25 |
465/587 |
收件服务器 |
POP |
pop.qq.com |
110 |
995 |
收件服务器 |
IMAP |
imap.qq.com |
143 |
993
|
163邮箱的收取邮件支持POP/IMAP两种协议,发送邮件采用SMTP协议,收件和发件均使用SSL协议来进行加密传输,采用SSL协议需要单独对帐户进行设置。采用SSL协议和非SSL协议时端口号有所区别,参照下表的一些常见配置组合:
类型 | 服务器名称 | 服务器地址 | SSL协议端口号 | 非SSL协议端口号 |
收件服务器 | POP | pop.163.com | 995 | 110 |
收件服务器 | IMAP | imap.163.com | 993 | 143 |
发件服务器 | SMTP | smtp.163.com | 465/994 | 25 |
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