503 Valid RCPT command must precede DATA

yortem

• June 24, 2019 10:14

I can recieve mails but can't send any. I get the error: 503 Valid RCPT command must precede DATA Tried different ports, but no success

• 

  cenourinha

  • June 25, 2019 18:19

  Please make sure you've SMTP Authentication enabled on your mail client.

  0
• 

  cPanelLauren

  • June 25, 2019 21:22

  The "Error 503: Valid RCPT command must precede DATA" happens only when sending an email. It's telling you that your SMTP (outgoing mail) connection was not properly authenticated by your email server. As noted by @cenourinha SMTP authentication needs to be enabled in the mail client.

  1

Please sign in to leave a comment.