Question

我正在尝试使用R中的mailR库来发送邮件。这是我的代码：

org.apache.commons.mail.EmailException: Sending the email to the following server failed : exch.mail.umd.edu:465
at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1410)
at org.apache.commons.mail.Email.send(Email.java:1437)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at RJavaTools.invokeMethod(RJavaTools.java:386)
Caused by: javax.mail.MessagingException: Could not connect to SMTP host: exch.mail.umd.edu, port: 465;
nested exception is:
java.net.SocketException: Connection reset
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:2055)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:697)
at javax.mail.Service.connect(Service.java:386)
at javax.mail.Service.connect(Service.java:245)
at javax.mail.Service.connect(Service.java:194)
at javax.mail.Transport.send0(Transport.java:253)
at javax.mail.Transport.send(Transport.java:124)
at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1400)
... 6 more
Caused by: java.net.SocketException: Connection reset
at java.net.SocketInputStream.read(Unknown Source)
at java.net.SocketInputStream.read(Unknown Source)
at sun.security.ssl.InputRecord.readFully(Unknown Source)
at sun.security.ssl.InputRecord.read(Unknown Source)
at sun.security.ssl.SSLSocketImpl.readRecord(Unknown Source)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown Source)
at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source)
at com.sun.mail.util.SocketFetcher.configureSSLSocket(SocketFetcher.java:543)
at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:348)
at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:215)
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:2019)

此代码给出了以下错误：

index.html

即使主机名，发件人和收件人地址都正确，我也无法理解此错误的原因。我使用的是Windows 10和R 3.2.2。

Answer 1

出于安全原因阻止登录尝试

Google将继续阻止您正在使用的应用中的登录尝试。要继续使用此应用，您可以允许访问不太安全的应用，但您的帐户可能更容易受到攻击

要允许访问转到Google帐户并启用不太安全的应用

使用sendmailR从R发送邮件失败

1 个答案: