我试图使用Gmail SMTP向任何Gmail帐户发送简单的电子邮件。得到下面的错误。使用Gmail中的Gmail帐户发送邮件
javax.mail.MessagingException: Could not connect to SMTP host: smtp.gmail.com, port: 587; nested exception is: java.net.ConnectException: Connection timed out: connect
我的代码是
package common;
import java.util.Date;
import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
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.MimeMessage;
import com.sun.mail.smtp.SMTPMessage;
public class SimpleMail{
/**
Outgoing Mail (SMTP) Server
requires TLS or SSL: smtp.gmail.com (use authentication)
Use Authentication: Yes
Port for SSL: 465
*/
public static void main(String[] args) {
String to="[email protected]";
String subject="New Mail";
String msg="test test";
final String user="gmailuser";
final String pass="gmailpassowd";
Properties props = new Properties();
props.put("mail.smtp.host", "smtp.gmail.com");
props.put("mail.smtp.port", "587"); //this is optional
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.starttls.enable", "true");
Session session = Session.getInstance(props,new javax.mail.Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(user,pass);
}
});
try {
MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress(user));
message.addRecipient(Message.RecipientType.TO,new InternetAddress(to));
message.setSubject(subject);
message.setText(msg);
Transport.send(message);
System.out.println("Mail sent..");
}catch(Exception e)
{
System.out.println(e);
}
}
}
是您的Internet连接是否正常工作?你在使用一些代理吗? – Aakash
我认为你应该从http://www.mkyong.com/java/javamail-api-sending-email-via-gmail-smtp-example/通过SSL例子来试用Gmail。此外,您的收件人的电子邮件地址(如果其Gmail)应该有此设置,否则邮件不会发送 - “Gmail安全设置 - >帐户权限 - >访问安全性较低的应用程序” – LittlePanda
java.net.ConnectException:连接超时:连接意味着你有一些互联网和/或防火墙问题 – Dev