使用 javax.mail 通过 ssl 发送电子邮件
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sending email with ssl using javax.mail
提问by pila
i want to send an email using gmail as smtp server.
我想使用 gmail 作为 smtp 服务器发送电子邮件。
this is my code, and i do not get it to work... after running testSettings() i get the debug output and then it just stops. no timeout, no error, nothing....
这是我的代码，我没有让它工作......运行 testSettings() 后，我得到调试输出，然后它就停止了。没有超时，没有错误，没有......
public void testSettings() {
final String username = Settings.get("benutzername");
final String password = Settings.get("passwort");
Properties props = new Properties();
props.put("mail.transport.protocol", "smtps");
props.put("mail.smtp.starttls.enable", "true");
props.put("mail.smtp.socketFactory.port", Settings.get("port"));
props.put("mail.smtp.socketFactory.class",
"javax.net.ssl.SSLSocketFactory");
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.host", Settings.get("server"));
props.put("mail.smtp.port", Settings.get("port"));
props.put("mail.smtp.timeout", "10000");
props.put("mail.smtp.ssl.checkserveridentity", "false");
props.put("mail.smtp.ssl.trust", "*");
props.put("mail.smtp.connectiontimeout", "10000");
props.put("mail.smtp.debug", "true");
props.put("mail.smtp.socketFactory.fallback", "false");
Session session = Session.getInstance(props,
new javax.mail.Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}
});
session.setDebug(true);
try {
Message message = new MimeMessage(session);
message.setFrom(new InternetAddress("[email protected]"));
message.setRecipients(Message.RecipientType.TO,
InternetAddress.parse("[email protected]"));
message.setSubject("Testing Subject");
message.setText("test");
Transport transport = session.getTransport("smtps");
transport.send(message);
// Transport.send(message);
System.out.println("Done");
} catch (MessagingException e) {
// throw new RuntimeException(e);
}
}
DEBUG: setDebug: JavaMail version 1.4.7
DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Oracle]
DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Oracle]
DEBUG SMTP: useEhlo true, useAuth true
DEBUG SMTP: useEhlo true, useAuth true
DEBUG SMTP: trying to connect to host "smtp.gmail.com", port 587, isSSL false
The following error occurs: http://pastie.org/private/rkoknss6ppiufjd9swqta
采纳答案by Anar Orujov
Instead of
代替
props.put("mail.transport.protocol", "smtps");
Transport transport = session.getTransport("smtps");
props.put("mail.transport.protocol", "smtps");
传输传输 = session.getTransport("smtps");
Use
用
props.put("mail.transport.protocol", "smtp");
Transport transport =session.getTransport("smtp");
props.put("mail.transport.protocol", "smtp");
传输传输 =session.getTransport("smtp");
Use smtp, not smtps
使用smtp，而不是 smtps
I used JDK 8, Netbeans 8, JavaMail 1.5.2 and this example works fine:
我使用了 JDK 8、Netbeans 8、JavaMail 1.5.2，这个例子工作正常：
public static void main(String[] args) {
Properties props = new Properties();
props.put("mail.smtp.host", "smtp.gmail.com");
props.put("mail.smtp.socketFactory.port", "465");
props.put("mail.smtp.socketFactory.class",
"javax.net.ssl.SSLSocketFactory");
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.port", "465");
Session session = Session.getDefaultInstance(props,
new javax.mail.Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication("[email protected]","password");
}
});
try {
Message message = new MimeMessage(session);
message.setFrom(new InternetAddress("[email protected]"));
message.setRecipients(Message.RecipientType.TO,
InternetAddress.parse("[email protected]"));
message.setSubject("Testing Subject");
message.setText("Test Mail");
Transport.send(message);
System.out.println("Done");
} catch (MessagingException e) {
throw new RuntimeException(e);
}
}
If you are not able connect with port 465, try port 587
如果您无法连接端口 465，请尝试端口 587
回答by Hibbem
From reading this: http://www.oracle.com/technetwork/java/javamail/faq-135477.html#commonmistakes
从阅读这个：http: //www.oracle.com/technetwork/java/javamail/faq-135477.html#commonmistakes
The use of
指某东西的用途
props.put("mail.smtp.socketFactory.class",
"javax.net.ssl.SSLSocketFactory");**
and
和
props.put("mail.smtp.socketFactory.port", "465");
is kind of outdated. To simplify the code, use:
有点过时了。为了简化代码，请使用：
properties.put("mail.smtp.port", "465");
properties.put("mail.smtp.ssl.enable", "true");
回答by Nick Vaculich
If you using Windows and have any Antivirus or firewall disable it and try.
如果您使用 Windows 并且有任何防病毒或防火墙禁用它并尝试。
