com.sun.mail.smtp.SMTPSendFailedException

550 SMTP authentication mandatory

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Solutions on the web123

  • via Stack Overflow by Magico
    , 9 months ago
    550 SMTP authentication mandatory
  • via Oracle Community by Ove, 1 year ago
    550 5.7.1 < username@mydomainname.com >. .. authentication required
  • 550 5.7.60 SMTP; Client does not have permissions to send as this sender [KL1PR03MB1749.apcprd03.prod.outlook.com]
  • Stack trace

    • com.sun.mail.smtp.SMTPSendFailedException: 550 SMTP authentication mandatory 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 com.MailerPecUtility.sendMail(MailerPecUtility.java:201) at com.MailerPecUtility.main(MailerPecUtility.java:266)

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