can not send ot email 503 Valid RCPT command must precede DATA

's Computer Specifications

503 Valid RCPT command must precede DATA
what is this

's Computer Specifications

It means that the mail server didn't see who the e-mail should go to before
receiving that data (body) of the e-mail. Many mail servers do sanity
checks to prevent spam and this could be interferring with whatever you are
using to send e-mail.

"Tony357" <(E-Mail Removed)> wrote in message
news:5FA1AC6D-4474-4E38-8712-(E-Mail Removed)...
> 503 Valid RCPT command must precede DATA
> what is this

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