com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.1 Client was not authenticated

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    • com.sun.mail.smtp.SMTPSendFailedException: 530 5.7.1 Client was not authenticated at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:1388) at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:959) at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:583) at javax.mail.Transport.send0(Transport.java:169) at javax.mail.Transport.send(Transport.java:98)

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