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All Tags » 5.x » 550 authentication error (RSS)
  • 550 Authentication is required for relay

    I'm working with SmarterMail 5.0 and having problems sending email from Outlook to external email accounts through my SmarterMail server. I'm just getting started with the product and only have one domain setup. I've seen quite a number of posts for this issue on the forum and have tried...
    Posted to Forum by SweatBoy on 03-15-2008
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