JAVA发送Email邮件

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使用Apache的Commons Email发送邮件

首先在pom中添加依赖：

    org.apache.commons
    commons-email
    1.2

1、发送简单邮件：

Email email = new SimpleEmail();
email.setHostName("smtp.gmail.com");
email.setSmtpPort(587);
email.setAuthenticator(new DefaultAuthenticator("username", "password"));
email.setTLS(true);
email.setFrom("[email protected]");
email.setSubject("TestMail");
email.setMsg("This is a test mail ... :-)");
email.addTo("[email protected]");
email.send();

2、发送带附件的邮件：

import org.apache.commons.mail.*;
...

// Create the attachment
  EmailAttachment attachment = new EmailAttachment();
  attachment.setPath("mypictures/john.jpg");
  attachment.setDisposition(EmailAttachment.ATTACHMENT);
  attachment.setDescription("Picture of John");
  attachment.setName("John");

  // Create the email message
  MultiPartEmail email = new MultiPartEmail();
  email.setHostName("mail.myserver.com");
  email.addTo("[email protected]", "John Doe");
  email.setFrom("[email protected]", "Me");
  email.setSubject("The picture");
  email.setMsg("Here is the picture you wanted");

  // add the attachment
  email.attach(attachment);

  // send the email
  email.send();

3、发送HTML格式的邮件：

import org.apache.commons.mail.HtmlEmail;
...

  // Create the email message
  HtmlEmail email = new HtmlEmail();
  email.setHostName("mail.myserver.com");
  email.addTo("[email protected]", "John Doe");
  email.setFrom("[email protected]", "Me");
  email.setSubject("Test email with inline image");
  
  // embed the image and get the content id
  URL url = new URL("http://www.apache.org/images/asf_logo_wide.gif");
  String cid = email.embed(url, "Apache logo");
  
  // set the html message
  email.setHtmlMsg("The apache logo - ");

  // set the alternative message
  email.setTextMsg("Your email client does not support HTML messages");

  // send the email
  email.send();

4、发送带图片的HTML邮件:

import org.apache.commons.mail.HtmlEmail;
...

  // load your HTML email template
  String htmlEmailTemplate = ....
  
  // Create the email message
  HtmlEmail email = new ImageHtmlEmail();
  email.setHostName("mail.myserver.com");
  email.addTo("[email protected]", "John Doe");
  email.setFrom("[email protected]", "Me");
  email.setSubject("Test email with inline image");
  
  // embed the image and get the content id
  URL url = new URL("http://www.apache.org/images/asf_logo_wide.gif");
  String cid = email.embed(url, "Apache logo");
  
  // set the html message
  email.setHtmlMsg(htmlEmailTemplate, new File("").toURI().toURL(), false);

  // set the alternative message
  email.setTextMsg("Your email client does not support HTML messages");

  // send the email
  email.send();

引用

commons email发送邮件用户指南: http://commons.apache.org/email/userguide.html