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Error - 550 must be authenticated

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#1 (permalink)

07-24-2008, 03:47 PM

JohnKlipp

Starter Member

Posts: 1

Error - 550 must be authenticated

Hi,

I have just set up an email account on Zimbra Desktop.

When I try to send an email from it, I get an email back saying:

Error - 550 must be authenticated.

Does anyone please know how to resolve this?

Thanks

John

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