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 Inbox Sentry incorporates a powerful cloud-based filtering engine and uses a variety of mechanisms including header and text analysis, bayesian filtering, DNS blocklists, and collaborative filtering databases to remove spam and viruses from your inbox. |
Spam Filter Features and Pricing Options:
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Frequently Asked Questions:
1. Why should I use this external spam filtering service? Doesn't my server already have spam filtering?
If your domain is receiving a large volume of spam e-mail, it is likely causing an unnecessary burden on
your server, and slowing down other operations on the server, such as handling web and database queries.
For shared hosting accounts, large volumes of e-mail processing may consume excessive resources and require that you upgrade to a virtual or dedicated server. For dedicated servers, such e-mail processing may require you to purchase a higher end server to handle the load. By using this service, you reduce overall expenses and have a high-quality spam filtering solution. We have a custom designed and load balanced spam filtering cluster to handle the task of filtering your e-mail. 2. How does this service work?
Our load balanced spam filtering cluster acts as a "man in the middle" for your domain's e-mail delivery. Mail
is initially delivered to our servers, filtered, and the remaining "good" mail is forwarded on to your "real"
mail server.
3. Can I configure spam filtering to filter and deliver e-mail for any user, so that it will be received by my catch-all mailbox?
No. The use of catch-all mailboxes results in a large volume of unnecessary CPU usage associated with filtering
and delivery of spam e-mail. Therefore, individual recipient mailboxes must be defined.
4. What happens to messages that are flagged as spam by the spam filtering service?
Messages that are flagged as spam are saved for up to 7 days, and visible within your web interface. After a
message has been saved for 7 days, it will be permanently deleted.
5. Will I still receive any spam after implementing your service?
Spammers are constantly changing their tactics to circumvent filters. For this reason, some spam may still
be received after implementing our filtering service. We always keep our spam filtering systems up-to-date
with the latest technologies to help avoid this. You may also adjust your filtering preferences to further
reduce the amount of spam you receive.
6. Do mailbox users have access to a control panel for this filtering system?
Yes, we provide you with the ability to allow end users to access a control panel, where those users may
view blocked messages, change filter sensitivity, and modify their individual whitelist and blacklist
settings. However, you do not have to give mailbox users access to this control panel. You may maintain
complete control of all settings at the domain level if you desire. The choice is yours.
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Spam Filtering
