503 Valid RCPT command must precede DATA What does this mean

B

BLUE MARLIN

503 Valid RCPT command must precede DATA.
What does this mean Please and how do I rectify it
Thank You
 
T

Tom [Pepper] Willett

If when you try to send mail you are receiving an error with the following
message: "503 valid RCPT command must precede DATA" then you need to
configure your email client to authenticate automatically by checking the
"my server requires authentication" box in your email configuration.

: 503 Valid RCPT command must precede DATA.
: What does this mean Please and how do I rectify it
: Thank You
 
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