android：电子邮件发送错误
[英]android : error in email sending
问题描述
my requirement is to send email from smtp server. 
我的要求是从smtp服务器发送电子邮件。
for that i am using following code: 为此，我正在使用以下代码：
package com.ixpenseit.email;
import java.util.Date;
import java.util.Properties;
import javax.activation.CommandMap;
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.activation.MailcapCommandMap;
import javax.mail.BodyPart;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
public class Mail extends javax.mail.Authenticator {
private String _user;
private String _pass;
private String[] _to;
private String _from;
private String _port;
private String _sport;
private String _host;
private String _subject;
private String _body;
private boolean _auth;
private Multipart _multipart;
private Mail() {
_auth = true; // smtp authentication - default on
_multipart = new MimeMultipart();
}
public Mail(String smtpserver, String smtpport, String smtpsocketfactoryport) {
_host = smtpserver; // default smtp server
_port = smtpport; // default smtp port
_sport = smtpsocketfactoryport; // default socketfactory port
_auth = true; // smtp authentication - default on
_multipart = new MimeMultipart();
MailcapCommandMap mc = (MailcapCommandMap) CommandMap.getDefaultCommandMap();
mc.addMailcap("text/html;; x-java-content-handler=com.sun.mail.handlers.text_html");
mc.addMailcap("text/xml;; x-java-content-handler=com.sun.mail.handlers.text_xml");
mc.addMailcap("text/plain;; x-java-content-handler=com.sun.mail.handlers.text_plain");
mc.addMailcap("multipart/*;; x-java-content-handler=com.sun.mail.handlers.multipart_mixed");
mc.addMailcap("message/rfc822;; x-java-content-handler=com.sun.mail.handlers.message_rfc822");
CommandMap.setDefaultCommandMap(mc);
}
public void setCredential(String username, String password) {
_user = username;
pass = password;
}
public boolean send() throws AddressException, MessagingException{
Properties props = _setProperties();
if (Utility.isValidString(_user) && Utility.isValidString(_pass) && _to != null && Utility.isValidString(_from)&& Utility.isValidString(_body)&& Utility.isValidString(_subject) &&_to.length 0) {
Session session = Session.getInstance(props, this);
MimeMessage msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(_from));
InternetAddress[] addressTo = new InternetAddress[_to.length];
for (int i = 0; i < _to.length; i++) {
addressTo[i] = new InternetAddress(_to[i]);
}
msg.setRecipients(MimeMessage.RecipientType.TO,addressTo);
msg.setSubject(_subject);
msg.setSentDate(new Date());
// setup message body
BodyPart messageBodyPart = new MimeBodyPart();
messageBodyPart.setText(_body);
_multipart.addBodyPart(messageBodyPart);
// Put parts in message
msg.setContent(_multipart);
// send email
Transport.send(msg);
return true;
} else {return false;}
}
public void setEmail(String[] to, String from, String subject, String body) {
_to = to;
_body = body;
_subject = subject;
_from = from;
}
public void addAttachment(String filename) throws Exception {
BodyPart messageBodyPart = new MimeBodyPart();
DataSource source = new FileDataSource(filename);
messageBodyPart.setDataHandler(new DataHandler(source));
messageBodyPart.setFileName(filename);
_multipart.addBodyPart(messageBodyPart);
}
public void addAttachment(String folder, String filename) throws Exception {
BodyPart messageBodyPart = new MimeBodyPart();
DataSource source = new FileDataSource(folder + "" + filename);
messageBodyPart.setDataHandler(new DataHandler(source));
messageBodyPart.setFileName(filename);
_multipart.addBodyPart(messageBodyPart);
}
@Override
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(_user, _pass);
}
private Properties _setProperties() {
Properties props = new Properties();
props.put("mail.smtp.host", _host);
props.put("mail.debug", "true");
if (_auth) {props.put("mail.smtp.auth", "true");}
props.put("mail.smtp.port", _port);
props.put("mail.smtp.socketFactory.port",_sport);
props.put("mail.smtp.socketFactory.class","javax.net.ssl.SSLSocketFactory");
props.put("mail.smtp.socketFactory.fallback", "false");
return props;
}
}
main activity code is : 主要活动代码是：
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
sendEmail();
}
private void sendEmail() {
//Mail m = new Mail("smtp.gmail.com", "465", "465");
Mail m = new Mail("smtp.dummy.com", "27", "27");
m.setCredential("abc@dummy", "dummy");
String[] toArr = { "to@gmail.com" };
m.setEmail(toArr, "from@no-spam.com", "Auto Generated Expense Report",
"Auto Generated Body.");
try {
if (m.send()) {
Toast.makeText(Email.this, "Email was sent successfully.",
Toast.LENGTH_LONG).show();
} else {
Toast.makeText(Email.this, "Email was not sent.",
Toast.LENGTH_LONG).show();
}
} catch (AddressException e) {
// TODO Auto-generated catch block
Log.e("MailApp", "Could not send email", e);
} catch (MessagingException e) {
// TODO Auto-generated catch block
Log.e("MailApp", "Could not send email", e);
}
download jars from the following link: 从以下链接下载罐子：
the above code working good for gmail. 上面的代码对gmail有效。 But when i tried it with hotmail, yahoo and my own smtp server then is show the following exception 但是，当我尝试使用hotmail，yahoo和我自己的smtp服务器进行尝试时，则显示以下异常
02-24 12:34:31.347: ERROR/MailApp(3668): nested exception is: 02-24 12:34:31.347: ERROR/MailApp(3668):
java.io.IOException: SSL handshake failure: Failure in SSL library, usually a protocol error 02-24 12:34:31.347: ERROR/MailApp(3668): error:140770FC:SSL routines:SSL23_GET_SERVER_HELLO:unknown protocol (external/openssl/ssl/s23_clnt.c:585 0xaf589bac:0x00000000) 02-24 12:34:31.347: ERROR/MailApp(3668):
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1391) 02-24 12:34:31.347: ERROR/MailApp(3668): at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:412) 02-24 12:34:31.347: ERROR/MailApp(3668): at javax.mail.Service.connect(Service.java:288) 02-24 12:34:31.347: ERROR/MailApp(3668): at javax.mail.Service.connect(Service.java:169) 02-24 12:34:31.347: ERROR/MailApp(3668): at javax.mail.Service.connect(Service.java:118) 02-24 12:34:31.347: ERROR/MailApp(3668): at javax.mail.Transport.send0(Transport.java:188) 02-24 12:34:31.347: ERROR/MailApp(3668): at javax.mail.Transport.send(Transport.java:118) 02-24 12:34:31.347: ERROR/MailApp(3668): at com.ixpenseit.email.Mail.send(Mail.java:106) 02-24 12:34:31.347: ERROR/MailApp(3668): at com.email.Email.sendEmail(Email.java:48) 02-24 12:34:31.347: ERROR/MailApp(3668): at com.email.Email.onCreate(Email.java:22) 02-24 12:34:31.347: ERROR/MailApp(3668): at android.app.Instrumentation.callActivityOnCreate(Instrumentatio
at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl.nativeconnect(Native Method) 02-24 12:34:31.347: ERROR/MailApp(3668): at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl.startHandshake(OpenSSLSocketImpl.java:305) 02-24 12:34:31.347: ERROR/MailApp(3668): at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl$SSLInputStream.(OpenSSLSocketImpl.java:502) 02-24 12:34:31.347: ERROR/MailApp(3668): at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl.getInputStream(OpenSSLSocketImpl.java:443) 02-24 12:34:31.347: ERROR/MailApp(3668): at com.sun.mail.smtp.SMTPTransport.initStreams(SMTPTransport.java:1449) 02-24 12:34:31.347: ERROR/MailApp(3668): at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1366)
how can i try it with other smtp server? 如何与其他smtp服务器一起尝试？
help me out. 帮帮我。
1 个解决方案
解决方案1
0 2011-05-31 09:53:57
I was getting the similar exception. 我得到了类似的例外。 I added the internet permission in the manifest and it started working. 我在清单中添加了Internet许可，它开始起作用。
Try the same. 尝试相同。
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