通过SMTP（Gmail）在Android上发送电子邮件 _android

【通过SMTP（Gmail）在Android上发送电子邮件】不操千曲而后晓声，观千剑而后识器。这篇文章主要讲述通过SMTP（Gmail）在Android上发送电子邮件相关的知识，希望能为你提供帮助。

package org.apache.android.mail;

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 GMailSender extends javax.mail.Authenticator {
private String mailhost = " smtp.gmail.com" ;
private String user;
private String password;
private Session session;

static {
Security.addProvider( new org.apache.harmony.xnet.provider.jsse.JSSEProvider( ) ) ;
}

public GMailSender( 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" , " 465" ) ;
props.put( " mail.smtp.socketFactory.port" , " 465" ) ;
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 {
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) ;
}

public class ByteArrayDataSource implements DataSource {
private byte[ ] data;
private String type;

public ByteArrayDataSource( byte[ ] data, String type) {
super( ) ;
this.data = https://www.songbingjia.com/android/data;
this.type = type;
}

public ByteArrayDataSource( byte[ ] data) {
super( ) ;
this.data = https://www.songbingjia.com/android/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" ) ;
}
}
}

通过SMTP（Gmail）在Android上发送电子邮件

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