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sendmail error

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2 replies

by rajaroychoudhury

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Configured Sendmail as SMTP server. While
sending mails it gives error "user unknown"

2 replies

by ghstinshll

Is sendmail it's own mail server program? I've only worked with Exchange, but in that case, I'd expcet that error to mean that the server needs a user account authorized to perform the tasks it needs.

by cactus pete

Does this happen to all adadresses you send to? The recipient mail system may have explicitly written that address into your error, so it no longer receives mail to that address.

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