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I have been recieveing a few bounced emails with message of 553 the sender is spoofed does anyone know what this means??<br />
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Thanks
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I have been recieveing a few bounced emails with message of 553 the sender is spoofed does anyone know what this means??

Thanks

Microsoft Exchange Question

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.