javax.mail.MessagingException: 530 5.7.0 Must issue a STARTTLS command first. n80sm23847952pfi.25 - gsmtp at com.sun.mail.smtp.SMTPTransport.issueCommand(SMTPTransport.java:1020)

Stack Overflow | Mohit Agrawal | 6 months ago
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    Must issue a STARTTLS command first java

    Stack Overflow | 6 months ago | Mohit Agrawal
    javax.mail.MessagingException: 530 5.7.0 Must issue a STARTTLS command first. n80sm23847952pfi.25 - gsmtp at com.sun.mail.smtp.SMTPTransport.issueCommand(SMTPTransport.java:1020)
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    experts-exchange.com | 1 year ago
    javax.mail.MessagingException: can't determine local email address
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    urgent!!!! Problem in sending mail through yahoo mail server

    Oracle Community | 2 decades ago | 843830
    javax.mail.MessagingException: 530 authentication req uired - for help go to http://help.yahoo.com/help/us/mail/pop/pop-11.html
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    一起喝咖啡吧 - ITeye技术网站

    iteye.com | 10 months ago
    javax.mail.MessagingException: 530 5.7.0 Must issue a STARTTLS command first. u12sm73042tia.38

    Root Cause Analysis

    1. javax.mail.MessagingException

      530 5.7.0 Must issue a STARTTLS command first. n80sm23847952pfi.25 - gsmtp at com.sun.mail.smtp.SMTPTransport.issueCommand(SMTPTransport.java:1020)

      at com.sun.mail.smtp.SMTPTransport.mailFrom()
    2. JavaMail API (compat)
      SMTPTransport.mailFrom
      1. com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:716)
      1 frame