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smtp;553 sorry, that domain isn't allowed to be relayed thru this MTA

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DecodeThis

DecodeThis

MIS
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Mar 22, 2004
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Has anyone received this error when sending an email to someone and what was done to fix it?

#5.5.0 smtp;553 sorry, that domain isn't allowed to be relayed thru this MTA (#5.7.1)
 
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