BoxTrapper functions as a spam filter for email addresses. The filter works through “challenge-response” verification. When an email is sent to an account that has enabled BoxTrapper, a verification email is automatically sent in response. This verification email requires the original sender to reply to the verification request, leaving the subject line intact. When the reply is received, the original message will be delivered to the intended recipient’s account.
The goal in enabling BoxTrapper is to block BoxTrapper emails that will not reply to the verification email.
To enable BoxTrapper:
Note: When BoxTrapper is enabled, even when automatic whitelisting is disabled, any email address that you send email to will automatically be added to the whitelist, allowing email to be received from that address without an authentication process.
By clicking Configure Settings, you can enable BoxTrapper for your email address. Enter all addresses forwarding mail to this account into the Email addresses going to this account box, separating them with commas.
It is also possible to define how many days to keep logs (overviews of all messages sent to your account) and messages (sent to your account but not yet delivered). This input value should be a positive whole number.
Automatic whitelisting can also be enabled or disabled using the appropriate checkbox. When automatic whitelisting is enabled, senders who successfully complete the verification process will not need to complete the verification process again when sending you email in the future.
Once you have entered all of the information, click Save.
Verification and blacklist messages can be customized using cPanel. It is also possible, using the Reset to Default button, to return the auto-response messages to their default settings.
This feature allows the BoxTrapper lists to be edited manually.
To edit the lists:
Email addresses that are added to the forward list will receive white-listed email as forwards automatically. Key-in the email addresses to add them to the forward list. Remember to click Save when making changes to the list.
The BoxTrapper review log can be accessed through cPanel’s interface. This log is organized by day and will show any activity associated with an email address with BoxTrapper enabled, allowing you to sort through messages sent and received. This can be useful when attempting to block problem emails.
Using the cPanel interface, any BoxTrapper mail waiting for verification can be viewed. This can improve email receipt times since you can manually view and approve messages. You can find mail in the queue using the following tools:
BoxTrapper also allows you to deliver or delete mail from the mail queue screen:
To see the contents of a message:
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