The Five-ten-sg.com Spam Filter

The five-ten-sg.com blacklist is a personal list that they made public. So, while it is available for use, very few use it. And since it's not a conventional anti-spam service, there is no way to get removed from the list. If you find that one of your recipients are using the list and, therefore, blocking your emails, all we can suggest is to have the recipients stop using that service or white list your mail server, or add your email address as a trusted sender.

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