javax.mail.SendFailedException: Sending failed; nested exception is: class javax.mail.MessagingException: 530 5.7.0 Must issue a STARTTLS command first. jm5sm18410921pbc.1

java-samples.com | 6 months ago
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Root Cause Analysis

  1. javax.mail.SendFailedException

    Sending failed; nested exception is: class javax.mail.MessagingException: 530 5.7.0 Must issue a STARTTLS command first. jm5sm18410921pbc.1

    at javax.mail.Transport.send0()
  2. JavaMail API
    Transport.send
    1. javax.mail.Transport.send0(Transport.java:218)
    2. javax.mail.Transport.send(Transport.java:80)
    2 frames
  3. in.xyz
    SimpleSendEmail.main
    1. in.xyz.SimpleSendEmail.main(SimpleSendEmail.java:47)
    1 frame