Exception in thread "main" java.lang.RuntimeException: javax.mail.MessagingException: Could not connect to SMTP host: gwm.dev, port: 143, response: -1
	at SendAttachment.main(SendAttachment.java:35)
Caused by: javax.mail.MessagingException: Could not connect to SMTP host: gwm.dev, port: 143, response: -1
	at com.sun.mail.smtp.SMTPTransport.openServer(SMTPTransport.java:2197)
	at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:740)
	at javax.mail.Service.connect(Service.java:388)
	at javax.mail.Service.connect(Service.java:246)
	at javax.mail.Service.connect(Service.java:195)
	at javax.mail.Transport.send0(Transport.java:254)
	at javax.mail.Transport.send(Transport.java:124)
	at SendAttachment.main(SendAttachment.java:32)