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Spam Arrest uses Challenge/Response technology to keep the spam out. Emails from unknown senders will receive an auto-reply message asking them to verify themselves.

When the sender clicks the link in the email, they are taken to a webpage where they are "challenged" to type in a word that is hidden within a graphic or a sound file (for visually-impaired users).

When the sender successfully completes the "response", their email is forwarded to your inbox, and they are then added to your authorized sender list.

The challenge/response process is easy for people, but impossible for automated systems (i.e. spambots), to complete.


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1.  Easy to Use
2.  Configure Pre-Approved Senders
3.  Challenge/Response Keeps Spam Out
4.  Full Access to Unapproved Email
5.  Try Spam Arrest for Free!

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Challenge/Response technology allows real people to authorize themselves while stopping all automa
ted spammers.
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©2016 Spam Arrest, LLC. All Rights Reserved. US Patent #7,039,949/R E 40, 992