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  • Javamail exception in maven project
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  • Can't send attachment using Java Mail
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    • javax.mail.MessagingException: 501 Syntactically invalid HELO argument(s) > at com.sun.mail.smtp.SMTPTransport.issueCommand( at com.sun.mail.smtp.SMTPTransport.helo( at com.sun.mail.smtp.SMTPTransport.protocolConnect( at javax.mail.Service.connect(

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