我正在尝试从用户获取用户名，密码后发送电子邮件。所有的电子邮件都发送到一个电子邮件地址。我将javax.mail.jar和javax.activation.jar文件添加到Eclipse中的构建路径和lib文件夹中。这是我的代码
public class Email {
public String emailTo = "bimlamadhavee@gmail.com";
public boolean sendMail( String emailFrom, String message, String usernme, String passwrd)
{
final String username = usernme;
final String password = passwrd;
boolean success = false;
Properties prop = new Properties();
prop.put("mail.smtp.auth", "true");
prop.put("mail.smtps.ssl.enable", "true");
prop.put("mail.smtp.host", "smtp.gmail.com");
prop.put("mail.smtp.port", "587");
Session sess = Session.getInstance(prop, new javax.mail.Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}
});
Message mssg = new MimeMessage(sess);
try {
mssg.setFrom(new InternetAddress(username, ""+username));
mssg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(emailTo));
mssg.setSubject("Suggestions");
mssg.setContent(message, "text/html; charset=utf-8");
Transport.send(mssg);
success = true;
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (MessagingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return success;
}
}
现在我收到以下错误
com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.0 Must issue a STARTTLS comma
nd first. w15sm12465435pfa.34 - gsmtp
at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1
668)
at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:1207)
at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:735)
at javax.mail.Transport.send0(Transport.java:191)
at javax.mail.Transport.send(Transport.java:120)
at model.Email.sendMail(Email.java:41)
at control.SendEmail.doPost(SendEmail.java:47)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52
)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(Authentica
torBase.java:505)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:169)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:
956)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:436)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp
11Processor.java:1078)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(
AbstractProtocol.java:625)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpo
int.java:2517)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoin
t.java:2506)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.
java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor
.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskTh
read.java:61)
at java.lang.Thread.run(Thread.java:745)
Email not sent
您对此错误有任何想法吗？谢谢你的支持
已更新
我编辑了上面的代码如下
Properties prop = new Properties();
prop.put("mail.smtp.auth", "true");
prop.put("mail.smtp.starttls.enable", "true");
prop.put("mail.smtp.host", "smtp.gmail.com");
prop.put("mail.smtp.port", "587");
Session sess = Session.getInstance(prop, new javax.mail.Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(emailFrom, password);
}
});
Message mssg = new MimeMessage(sess);
try {
mssg.setFrom(new InternetAddress(""+emailFrom));
mssg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(emailTo));
mssg.setSubject("Suggestions");
mssg.setContent(message, "text/html; charset=utf-8");
Transport.send(mssg);
success = true;
然后我收到以下错误
javax.mail.MessagingException: Can't send command to SMTP host;
nested exception is:
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorExc
eption: PKIX path building failed: sun.security.provider.certpath.SunCertPathBui
lderException: unable to find valid certification path to requested target
at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1717)
at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1704)
at com.sun.mail.smtp.SMTPTransport.ehlo(SMTPTransport.java:1088)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:46
8)
at javax.mail.Service.connect(Service.java:313)
at javax.mail.Service.connect(Service.java:172)
at javax.mail.Service.connect(Service.java:121)
at javax.mail.Transport.send0(Transport.java:190)
at javax.mail.Transport.send(Transport.java:120)
at model.Email.sendMail(Email.java:43)
at control.SendEmail.doPost(SendEmail.java:47)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52
)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:220)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:122)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(Authentica
torBase.java:505)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:169)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:103)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:
956)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:116)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:436)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp
11Processor.java:1078)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(
AbstractProtocol.java:625)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.doRun(AprEndpo
int.java:2517)
at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoin
t.java:2506)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.
java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor
.java:617)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskTh
read.java:61)
at java.lang.Thread.run(Thread.java:745)
Caused by: javax.net.ssl.SSLHandshakeException: sun.security.validator.Validator
Exception: PKIX path building failed: sun.security.provider.certpath.SunCertPath
BuilderException: unable to find valid certification path to requested target
at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1937)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:302)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:296)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.
java:1478)
at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.jav
a:212)
at sun.security.ssl.Handshaker.processLoop(Handshaker.java:957)
at sun.security.ssl.Handshaker.process_record(Handshaker.java:892)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1050)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.
java:1363)
at sun.security.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:735)
at sun.security.ssl.AppOutputStream.write(AppOutputStream.java:123)
at com.sun.mail.util.TraceOutputStream.write(TraceOutputStream.java:110)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82
)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
at com.sun.mail.smtp.SMTPTransport.sendCommand(SMTPTransport.java:1715)
... 33 more
Caused by: sun.security.validator.ValidatorException: PKIX path building failed:
sun.security.provider.certpath.SunCertPathBuilderException: unable to find vali
d certification path to requested target
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:387)
at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.jav
a:292)
at sun.security.validator.Validator.validate(Validator.java:260)
at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.j
ava:324)
at sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerIm
pl.java:229)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustMan
agerImpl.java:124)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.
java:1460)
... 44 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to
find valid certification path to requested target
at sun.security.provider.certpath.SunCertPathBuilder.build(SunCertPathBu
ilder.java:145)
at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCert
PathBuilder.java:131)
at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:280)
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:382)
你知道任何理由吗？
答案 0 :(得分：0)
Try adding the next code:
Properties props = new Properties();
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.starttls.enable", "true";
props.put("mail.smtp.host", "smtp.gmail.com");
props.put("mail.smtp.ssl.trust", "smtp.gmail.com");
props.put("mail.smtp.port", "587");