java - 在Azure项目中发送电子邮件java失败

Question

我有一个问题，我研究了很多，花了很多时间，但无法解决。

我有一个 Java Web 应用程序，它在一天中的某个时间向某些用户发送警报电子邮件。本地测试已完成，一切正常，但当我将应用程序升级到 Azure 时，它​​不发送电子邮件。我正在使用 Gmail 中的电子邮件来验证和发送电子邮件。

我正在使用 Commons Email 1.4。

自从我启用 Gmail 选项以使用低安全性设备发送邮件以来。

继续发送电子邮件:

public static String sendEmail(String to, String name, String subject, String body) {
        SimpleEmail email = new SimpleEmail();
        try {
            email.setHostName("smtp.gmail.com");
            email.setSmtpPort(465);
            email.setAuthenticator(new DefaultAuthenticator("<a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="245c5c5c5c5c5c5c5c5c5c644349454d480a474b49" rel="noreferrer noopener nofollow">[email protected]</a>", "xxxxxxxxxxxxxxxx"));
            email.setSSLOnConnect(true);
            email.setFrom("<a href="https://stackoverflow.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="8af2f2f2f2f2f2f2f2f2f2f2f2f2f2f2caede7ebe3e6a4e9e5e7" rel="noreferrer noopener nofollow">[email protected]</a>");
            email.setSubject(subject);
            email.setMsg(body);
            email.addTo(to, name);
            email.send();

            return "sent";
        } catch (EmailException e) {
            StringWriter sw = new StringWriter();
            PrintWriter pw = new PrintWriter(sw);
            e.printStackTrace(pw);
            return sw.toString(); 
        }
    }

跟踪错误:

org.apache.commons.mail.EmailException: Sending the email to the following server failed : smtp.gmail.com:465
    at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1401)
    at org.apache.commons.mail.Email.send(Email.java:1428)
    at br.com.farofa.abf.email.Email.enviarEmailTeste(Email.java:101)
    at br.com.farofa.abf.webservice.restful.UsuarioResource.enviarEmailTeste(UsuarioResource.java:114)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
    at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:185)
    at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
    at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
    at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
    at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
    at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
    at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
    at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1511)
    at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1442)
    at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1391)
    at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1381)
    at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416)
    at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:538)
    at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:716)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409)
    at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044)
    at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
    at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:313)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:744)
Caused by: javax.mail.AuthenticationFailedException
    at javax.mail.Service.connect(Service.java:306)
    at javax.mail.Service.connect(Service.java:156)
    at javax.mail.Service.connect(Service.java:105)
    at javax.mail.Transport.send0(Transport.java:168)
    at javax.mail.Transport.send(Transport.java:98)
    at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1391)
    ... 42 more

希望能帮到我。我不知道该怎么办。谢谢!

Answer 1

我重现了这个问题。这是由 Gmail 安全政策允许安全性较低的应用程序引起的。您可以引用google accouts帮助https://support.google.com/accounts/answer/6010255?hl=en .

解决方案是打开安全性较低的应用的访问权限，请参见下图:

点击“安全性较低的应用程序”部分 https://www.google.com/settings/security/lesssecureapps?hl=en并打开它，见下文。

但是，如果您想在Azure上发送电子邮件，我建议使用Azure上的SendGrid来完成，请引用https://azure.microsoft.com/en-us/documentation/articles/store-sendgrid-java-how-to-send-email/尝试一下。