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Re: using smtp from my own domain
it seems it is somehow being blocked now as i am unable to send emails anymore and do not know what to do. do you use business broadband? My domains are on two different servers one in the states and one here but i cannot send emails anymore and get the following message: User unknown', Port: 25, Secure(SSL): No, Server Error: 553, Error Number: 0x800CCC79 oUser unknown
501 5.6.0 Data format error
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