Question

我无法通过内部网络通过Exchange邮件服务器发送电子邮件。它给了我这个例外

    Exception in thread "main" javax.mail.MessagingException: Could not connect to SMTP host: exchange.server, port: 25;
  nested exception is:
    java.net.SocketException: Permission denied: connect
    at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1961)
    at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:654)
    at javax.mail.Service.connect(Service.java:317)
    at javax.mail.Service.connect(Service.java:176)
    at javax.mail.Service.connect(Service.java:125)
    at javax.mail.Transport.send0(Transport.java:194)
    at javax.mail.Transport.send(Transport.java:124)

Answer 1

在防火墙中为端口25创建例外。如果不存在（端口25用于垃圾邮件可能来自该端口），请尝试更改方法以使用其他端口。相应地配置交换服务器和防火墙。

无法通过内部网络发送邮件，java.net.SocketException：权限被拒绝：连接

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