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我試圖連接到遠程郵件服務器，但不知何故commons電子郵件/ JavaMail總是試圖連接到本地主機。爲什麼？？？Commons Email沒有連接到正確的主機
Email email = new SimpleEmail();
email.setHostName("mailserver.com");
email.setSentDate(new Date());
email.setAuthentication("[email protected]", "password");
email.setSubject("testing using simple mail");
email.setMsg("test email");
email.setFrom("*******@gmail.com");
email.addTo("*****@gmail.com");
email.setDebug(true);
email.send();
我總是得到以下情況除外：
Exception in thread "main" org.apache.commons.mail.EmailException: Sending the email to the following server failed : ********:25
at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1242)
at org.apache.commons.mail.Email.send(Email.java:1267)
at MyJasperService.main(MyJasperService.java:219)
Caused by: javax.mail.SendFailedException: Send failure (javax.mail.MessagingException: Could not connect to SMTP host: localhost, port: 25 (java.net.ConnectException: Connection refused: connect))
at javax.mail.Transport.send(Transport.java:163)
at javax.mail.Transport.send(Transport.java:48)
at org.apache.commons.mail.Email.sendMimeMessage(Email.java:1232)
... 2 more
Caused by: javax.mail.MessagingException: Could not connect to SMTP host: localhost, port: 25 (java.net.ConnectException: Connection refused: connect)
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1934)
at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:638)
at javax.mail.Service.connect(Service.java:254)
at javax.mail.Service.connect(Service.java:85)
at javax.mail.Service.connect(Service.java:70)
at javax.mail.Transport.send(Transport.java:94)
... 4 more
Caused by: java.net.ConnectException: Connection refused: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method)
at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:69)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:337)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:198)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180)
at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:157)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:391)
at java.net.Socket.connect(Socket.java:579)
at java.net.Socket.connect(Socket.java:528)
at com.sun.mail.util.SocketFetcher.createSocket(SocketFetcher.java:288)
at com.sun.mail.util.SocketFetcher.getSocket(SocketFetcher.java:231)
at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:1900)
... 9 more