Perimeter Email Protection (PEP) is a complete email protection service for businesses hosting their own on-premise email servers. It includes tools to filter and authenticate incoming email before it reaches your email infrastructure. By stopping spam and email-based attacks at the perimeter, PEP can reduce email load, and spam by 90% or more. PEP prevents spam, viruses, directory harvesting, denial-of-service or dictionary attacks, fraud, phishing schemes, and other debilitating email bombs or attacks from reaching your corporate email server. PEP and PEP Filtering ensures that only clean, valid and properly addressed email is sent to company email servers for final delivery.
Overview:
Spam, phishing and other malicious spammer activities are increasing and becoming far more sophisticated. Harder to defend against, they take a damaging toll on your network. Your servers become clogged with spam, Your data is vulnerable and precious IT resources are consumed in an attempt to cope. These days it is a daunting task to maintain enough email capacity and horsepower to protect on-premise email servers and user communities from this onslaught.
That’s why you need Perimeter Email Protection (PEP). PEP is a complete email protection service for businesses and organizations hosting their own on-premise email servers. PEP filters and authenticates incoming email before it reaches your email infrastructure and company network.
By stopping spam and email-based attacks at the perimeter, PEP can offer anti spam and email virus protection services easily and affordably. PEP prevents spam, viruses, directory harvesting, denial-of-service or dictionary attacks, fraud, phishing schemes, and other debilitating email bombs or attacks from reaching your corporate email server and network. PEP and PEP Filtering ensure that only “clean”, valid and properly addressed email is sent to company email servers for final delivery.
Whether you're managing a Microsoft® Exchange, Lotus® Domino, or another mail server, PEP can offer anti-spam services and email virus protection services easily and affordably. All functionality is provided by the Concentric’s patented Clustered Hosting, service so there is no hardware to purchase, install or operate, and no software to license, download, install or update.
PEP also includes free email delivery back up. Should your email server stop receiving incoming mail, Concentric will spool that mail at no extra charge for up to five days and re-deliver it quickly when your server is back up.
Reliability, depth of features and a professional support team make Concentric email and anti spam services the "tools-of-choice" for thousands of businesses.
PEP helps you win the battle in protecting your on-premise email server and increasing your users’ productivity with:
- Complete suite of email security server protection services
- Tools to filter and authenticate incoming email before it reaches your email infrastructure
- Easy interfaces for account administration
- Domestic support and professional services teams to help whenever you need it
Features:
Perimeter Email Protection (PEP) keeps your email server up and running efficiently by filtering and sanitizing incoming email and blocking spam and harmful email viruses at the perimeter of your network. Concentric® provides 24/7/365 attack monitoring. We detect, monitor, and defeat directed hosting, DNS, email bomb and other attacks around the clock.
Concentric provides tools and reporting to email administrators and individual users so they can achieve maximum results from our anti-spam services and email virus protection.
- Hide Your Email Server Behind Our Perimeter Email Protection (PEP): By routing email through PEP servers first, you can completely hide your email server behind our perimeter and protect your email infrastructure so that spammers cannot spam your server directly. No MX records will appear in public DNS lookups for your mail server. And, unlike premise-based solutions, PEP stops dangerous spam and viruses from getting behind your firewall and infecting your network.
- User Validation: PEP lets you upload your list of valid user email addresses. User Validation then filters and reduces the amount of email your server must process by at least 50%.
- Block Spam and Junk Email: Concentric updates junk and virus filters automatically to deal with the latest threats. The filters are located on our servers so there is no software to purchase, download or update on your email server or individual users’ workstations. Administrators can configure account-wide or user-specific settings for handling mail when junk or viruses are detected. Junk mail can be quarantined and periodically checked by users via a web interface, or tagged with a modified subject line and delivered to the mail server for rules processing. Virus handling includes stripping the attachment and notifying the recipient, as well as other options that administrators or users may choose to configure. PEP users can take advantage of the Premium Junk Filter, which enables individual users or administrators to “train” their own personal filtering knowledge base to filter mail according to their preferences.
- Virus and Attachment Filtering: PEP virus filtering ensures viruses, worms, and Trojans are prevented from infecting your computers. PEP virus filters are continually updated from multiple sources so that we can protect you and your users from the latest security threats.
- Email Delivery Back Up: If mail cannot be delivered to your email server for whatever reason – a server crash, a network outage, or a power hit to your building – it is queued on Concentric systems for up to five days. PEP continuously tries to re-deliver the mail so that you won’t miss any mission-critical business email.
- Permitted, Blocked Sender, and Domain Lists: Administrators can white-list or black-list sender addresses or domains for the entire account or for a particular user's email. Individual users with more complex junk mail filtering requirements can be given permission to manage their own settings, which many anti spam services don't offer.

- Real-time Monitoring and Incoming Email Analysis: PEP includes reports of your email traffic and handling. Logs are available if you need to see message details or statistics about your email traffic patterns and the amount of filtered spam. Administrators may receive daily, weekly or monthly detailed, HTML email reports that provide summary and detail information on all inbound mail activity for all domain names associated with an account, so you can see how well PEP is working for you. Additionally, administrators can generate the latest version of any of those reports in real-time.
- Attack Protection: Malicious attacks from denial-of-service (DoS), to directory harvesting and dictionary attacks account for 80-90% of spam volume. PEP protects your email users from these considerable vulnerabilities.
Flexibility and Control: Administrators can configure junk and virus filtering on a group basis and manage it centrally (using the same settings for all users), allow users to configure their own settings, or implement some combination of both.
Testimonials:
- “PEP is a great service from both customer service and customer experience standpoints. Our junk mail has been reduced by 97%. Thank you, for partnering with us to preserve our system uptime and stability.”
- — Brian Long, CIO, ChemQuip, Inc. (39 Users)
- “PEP has made a huge difference in the volume of junk that we have to deal with everyday. It has a direct positive impact on resources such as bandwidth, storage, and archiving.”
- — Tom Jobling, Relocation Connections, Inc.
- “Concentric Perimeter Email Protection has served flawlessly as our frontline of defense in blocking DOS attacks and eliminating the high ‘bogus’ user email volumes we were experiencing. We have over 300 email user accounts, and when we enabled PEP we immediately saw a drop from over 60,000 emails a day to less than 8,000 a day.”
- — Don Winant, Gristedes’ CIO (350 Users)
Pricing:
Feature |
User Validation |
PEP Filtering |
PEP Premium Filtering |
Price
- Basic plan includes 80 email addresses. $13.50/mo*
- Professional plan includes 200 addresses. $37.25/mo*
- Enterprise plan includes 500 addresses. $67.95/mo*
- Additional users can be added to any plan
*With a 12 month prepay. Other plans available. |
Included with account service plan. $1.00 per email address per month for each email address over and above the plan allowance.
- Validates inbound email against uploaded users list
- Includes spool-and-deliver for disaster recovery
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$1.00 per email address per month includes junk and virus filtering and up to 1,000 account-wide custom mail rules.
- Service plan must include enough email addresses for each user
- Account-wide junk and virus filters
- Includes user validation, spool and deliver for disaster recovery
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$1.00 per email address per month (in addition to PEP filtering fee) for customizable filtering at user or group level.
- Plan must include enough email addresses for each user
- Trainable by one or more users. Easy-to-use filter training interface recognizes and handles messages
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