java 에러 ] No appropriate protocol (protocol is disabled or cipher suites are inappropriate)

javax.mail.MessagingException: Could not convert socket to TLS;
  nested exception is:
   javax.net.ssl.SSLHandshakeException: No appropriate protocol (protocol is disabled or cipher suites are inappropriate)
   at com.sun.mail.smtp.SMTPTransport.startTLS(SMTPTransport.java:1907)
   at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:666)
   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)

하 이거때문에 회사에서 이틀 날렸다~

그냥 자바 버전 낮추니까 됌

그 전까지는 인텔리제이꺼쓰다가 뭐하느라 새로설치했더니..이런

1.8.291에서 1.8.261로 새로 하니까 됨..^^..휴