Recipient address rejected: Access denied on Sne dmail from postfix

Thrilokesh 35 Reputation points
2023-05-30T07:47:00.7866667+00:00

Hi

I am configuration postfix and dovecot . and i am trying to send the email using port 587

i have defined the master.cf for submission . the mail are received to my account without any issues .

the mails are delivered from here

Error message in mail log

NOQUEUE: reject: RCPT from unknown[20.239.91.216]: 554 5.7.1

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