1            String host = "";
 2            String mailFrom = "" 3            String mailPass = "" 4            Properties props=new Properties();
 5            props.put("mail.smtp.host",host);
 6            props.put("mail.smtp.auth","true"); 
 7            Session s=Session.getInstance(props);
 8            MimeMessage message= MimeMessage(s);
 9     
10            //  给消息对象设置发件人/收件人/主题/发信时间
11           try{
12               InternetAddress from= InternetAddress(mailFrom);
13               message.setFrom(from);
14               InternetAddress to= InternetAddress(mailto);
15               message.setRecipient(Message.RecipientType.TO,to);
16               message.setSubject(title);
17               message.setSentDate( Date());
18         
19               给消息对象设置内容
20               BodyPart mdp=new MimeBodyPart();新建一个存放信件内容的BodyPart对象
21               mdp.setContent(htmlContent,"text/html;charset=UTF-8");给BodyPart对象设置内容和格式/编码方式
22               Multipart mm=new MimeMultipart();新建一个MimeMultipart对象用来存放BodyPart对象(事实上可以存放多个)
23               mm.addBodyPart(mdp);将BodyPart加入到MimeMultipart对象中(可以加入多个BodyPart)
24               message.setContent(mm);把mm作为消息对象的内容
25               message.saveChanges();
26               Transport transport=s.getTransport("smtp");
27               transport.connect(host,mailFrom,mailPass);
28               transport.sendMessage(message,message.getAllRecipients());
29               transport.close();
30               return true31           }
32           catch (Exception e) {
33               e.printStackTrace();
34                  false35           }