使用JavaMail API在Android中发送电子邮件 [英] Sending Email in Android using JavaMail API
本文介绍了使用JavaMail API在Android中发送电子邮件的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我已经提到的previous回答我的类似的问题，但它给使用Gmail的邮件发送服务器配置的一个例子。 不过，我想使用JavaMail API来我公司正在使用的webmail：
发送服务器： smtp.softcellindia.com
端口： 25
加密类型：无
我用下面的code都试过了。但它似乎不发送邮件。
进口的javax.activation.DataHandler;
进口javax.activation.DataSource;
进口javax.mail.Message;
进口javax.mail.PasswordAuthentication;
进口javax.mail.Session的;
进口javax.mail.Transport;
进口javax.mail.internet.InternetAddress;
进口的javax.mail.internet.MimeMessage;
进口java.io.ByteArrayInputStream中;
进口java.io.IOException异常;
进口的java.io.InputStream;
进口java.io.OutputStream中;
进口java.security.Security中;
进口java.util.Properties;
公共类MailSender扩展javax.mail.Authenticator {
私人字符串的邮件主机=smtp.softcellindia.com;
私人字符串的用户;
私人字符串密码;
私人届会议;
静态{
Security.addProvider（新com.provider.JSSEProvider（））;
}
公共MailSender（用户字符串，字符串密码）{
this.user =用户;
this.password =密码;
属性道具=新特性（）;
props.setProperty（mail.transport.protocol，SMTP）;
props.setProperty（mail.host，邮件主机）;
props.put（mail.smtp.auth，真）;
props.put（mail.smtp.port，25）;
props.put（mail.smtp.socketFactory.port，25）;
props.put（mail.smtp.socketFactory.class
javax.net.ssl.SSLSocketFactory）;
props.put（mail.smtp.socketFactory.fallback，假）;
props.setProperty（mail.smtp.quitwait，假）;
会议=作为Session.getDefaultInstance（道具，这一点）;
}
受保护的PasswordAuthentication的getPasswordAuthentication（）{
返回新的PasswordAuthentication（用户名，密码）;
}
市民同步无效的sendmail（字符串学科，身体的字符串，字符串发件人，收件人字符串）抛出异常{
尝试{
的MimeMessage消息=新的MimeMessage（会议）;
DataHandler的处理程序=新的DataHandler（新ByteArrayDataSource（body.getBytes（），text / plain的））;
message.setSender（新网际（发件人））;
message.setSubject（学科）;
message.setDataHandler（处理）;
如果（recipients.indexOf（，）大于0）
message.setRecipients（Message.RecipientType.TO，InternetAddress.parse（收件人））;
其他
message.setRecipient（Message.RecipientType.TO，新的网际（收件人））;
Transport.send（消息）;
}赶上（例外五）{
}
}
公共类ByteArrayDataSource实现了数据源{
私人byte []的数据;
私人字符串类型;
公共ByteArrayDataSource（byte []的数据，字符串类型）{
超（）;
this.data =数据;
this.type =类型;
}
公共ByteArrayDataSource（byte []的数据）{
超（）;
this.data =数据;
}
公共无效的setType（字符串类型）{
this.type =类型;
}
公共字符串的getContentType（）{
如果（类型== NULL）
返回应用程序/八位字节流;
其他
返回类型;
}
公众的InputStream的getInputStream（）抛出IOException异常{
返回新ByteArrayInputStream的（数据）;
}
公共字符串的getName（）{
返回ByteArrayDataSource;
}
公众的OutputStream的getOutputStream（）抛出IOException异常{
抛出新的IOException异常（不支持）;
}
}
}
解决方案
修改 javax.net.ssl.SSLSocketFactory 到 javax.net.SocketFactory
I have referred to previous answers to similar question of mine but it gives an example using the outgoing server configuration of Gmail. However I want to use the JavaMail API for the webmail that my company is using:
Outgoing server: smtp.softcellindia.com
port: 25
Type of encryption: none
I have tried using the following code. But it seems to send no mails.
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.mail.Message;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.Security;
import java.util.Properties;
public class MailSender extends javax.mail.Authenticator {
private String mailhost = "smtp.softcellindia.com";
private String user;
private String password;
private Session session;
static {
Security.addProvider(new com.provider.JSSEProvider());
}
public MailSender(String user, String password) {
this.user = user;
this.password = password;
Properties props = new Properties();
props.setProperty("mail.transport.protocol", "smtp");
props.setProperty("mail.host", mailhost);
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.port", "25");
props.put("mail.smtp.socketFactory.port", "25");
props.put("mail.smtp.socketFactory.class",
"javax.net.ssl.SSLSocketFactory");
props.put("mail.smtp.socketFactory.fallback", "false");
props.setProperty("mail.smtp.quitwait", "false");
session = Session.getDefaultInstance(props, this);
}
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(user, password);
}
public synchronized void sendMail(String subject, String body, String sender, String recipients) throws Exception {
try{
MimeMessage message = new MimeMessage(session);
DataHandler handler = new DataHandler(new ByteArrayDataSource(body.getBytes(), "text/plain"));
message.setSender(new InternetAddress(sender));
message.setSubject(subject);
message.setDataHandler(handler);
if (recipients.indexOf(',') > 0)
message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(recipients));
else
message.setRecipient(Message.RecipientType.TO, new InternetAddress(recipients));
Transport.send(message);
}catch(Exception e){
}
}
public class ByteArrayDataSource implements DataSource {
private byte[] data;
private String type;
public ByteArrayDataSource(byte[] data, String type) {
super();
this.data = data;
this.type = type;
}
public ByteArrayDataSource(byte[] data) {
super();
this.data = data;
}
public void setType(String type) {
this.type = type;
}
public String getContentType() {
if (type == null)
return "application/octet-stream";
else
return type;
}
public InputStream getInputStream() throws IOException {
return new ByteArrayInputStream(data);
}
public String getName() {
return "ByteArrayDataSource";
}
public OutputStream getOutputStream() throws IOException {
throw new IOException("Not Supported");
}
}
}
解决方案
Change javax.net.ssl.SSLSocketFactory to javax.net.SocketFactory
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