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Glossary

Active-X - Code that, when embedded in a message, may be used to perform potentially damaging tasks unauthorized by the user. trimMail Inbox disables it.

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bayesian filtering - A statistical method used to identify a given message as spam, based on the message's content and properties. trimMail Inbox uses it.

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blacklist - A list of e-mail addresses from outside your network that are not allowed to send mail to your e-mail server(s). trimMail Inbox consults outside servers for known spammers, as well as letting you customize your own internal list.

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Blitzed Open Proxy Monitor - A DNS-based list of machines believed to run open proxies. trimMail Inbox consults it, and adds its input to the message score.

Visit http://opm.blitzed.org for more information.

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Bonded Sender - A sender of legitimate email who posts a financial bond to ensure the integrity of their email campaign. If you feel you received spam from a Bonded Sender, go to http://www.bondedsender.org/complaint/. If your complaint is borne out, a financial charge will be debited from the Bonded Sender's bond. trimMail Inbox consults it, and adds its input to the message score.

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Bypass List - A list of e-mail addresses from inside your network that are allowed to receive any incoming e-mail without significant spam filtering. If you like, trimMail Inbox lets you build your own custom Bypass List.

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challenge/response - A controversial method for limiting incoming e-mail. A sender of a message is sent an e-mail by the receiving mail server that requires a human response before the sender's original message will be delivered to the recipient.

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checksum - A count of the number of bits in a message. If the count matches a checksum on a remote server that tracks spam checksums, the message may be spam. trimMail Inbox consults a variety of these servers, and adds their input to the message's score.

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content filter - Remove potentially harmful or undesireable material from a message. trimMail Inbox disables any contents it thinks could harm you.

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defang - Remove potentially harmful or undesireable material from a message. trimMail Inbox defangs your messages.

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Denial of Service - An attack characterized by an attempt to overwhelm a server. E-mail servers are often targeted with floods of messages with the intention of causing the servers to crash, thereby denying e-mail services to the organization.

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dictionary attack - A dictionary attacker uses automated tools to try to send a message to every letter/number combination imaginable at your domain (user1@mydomain.com, asdfsafd@mydomain.com, 123@mydomain.com, etc.), hoping that some of these messages will reach real users. This eats network resources, and, in extreme cases, can crash your mail servers, preventing legitimate mail from reaching your users. When properly configured, trimMail Inbox stops these attacks at the front door, dramatically reducing bandwidth, cpu, memory, and storage demands downstream.

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digital signature - A count of the number of bits in a message. If the count matches a digital signature on a remote server that tracks spam digital signatures, the message may be spam. trimMail Inbox consults digital signature servers, and adds their input to the message score.

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Distributed Server Boycott List - DSBL. A list of the IP addresses of servers that have an open relay, an open proxy or another vulnerability that allows anybody to deliver email to anywhere, through that server. trimMail Inbox consults it, and adds its input to the message score.

Visit http://dsbl.org/main for more information.

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DNS - Domain Name Service. A broadly distributed Internet data query service that translates hostnames into Internet addresses. trimMail Inbox uses reverse DNS lookup to confirm that a sender's origination point is correct, and adds its input to the message score.

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email client - Software used by an end-user to attach to a mail server.

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evolutionary algorithm - A set of software instructions that gets better and better at delivering correct results by analyzing past and current inputs. trimMail Inbox employs an evolutionary algorithm to deliver highly accurate results.

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ex.dnsbl.org zone - Used to filter email from spammers who have been kicked off a partcipating Domain Name Service provider's system. trimMail Inbox consults it, and adds its input to the message score.

Visit http://www.dnsbl.org/ex.dnsbl.php3 for more information.

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false positives - E-mail you want to receive that is categorized by the spam filter as junk mail. By combining all of the best-known spam detection methods, trimMail Inbox delivers well below 1% in false positives.

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genetic algorithm - An evolutionary algorithm that employs data crossover and mutation to derive ever-more-accurate results. This how trimMail Inbox slashes your spam at the same time it minimizes your false positives.

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header - Information embedded in a message that includes sender, date and time received, recipient, and subject. trimMail Inbox performs hundreds of tests on each message header before declaring a message OK.

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heuristics - Comparing previously known outcomes to the current results. trimMail Inbox custom-builds its knowledge base to protect your unique mail stream.

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HTML form - A form that, when embedded in a message, may be used to send unauthorized information offsite. trimMail Inbox won't allow it.

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insecure proxy - An open proxy

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Javascript - Code that, when embedded in a message, may be used to perform potentially damaging tasks unauthorized by the user. trimMail Inbox disables it.

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junk mail - Any e-mail you have not requested and do not want.

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malformed message - E-mail that has been created in a way that violates the MIME or other Internet mailing standards. Spammers often use malformed messages to crash mail servers with Denial of Service attacks. trimMail Inbox cleans up malformed messages so they cannot harm your e-mail server or clients.

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mangled email - Malformed message.

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MIME - Multipurpose Internet Mail Extension. An Internet standard method for identifying the type of data contained in a file based on its extension.

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Not Just Another Bogus List - NJABL. A list of known and potential spam sources (open relays, open proxies, open form to mail HTTP gateways, dynamic IP pools, and direct spammers). Adds thousands of open relays and open proxies every day. trimMail Inbox consults hash servers, and adds its input to the message score.

Visit http://dnsbl.njabl.org/ for more information.

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open proxy - A proxy server or firewall that lets anybody connect to it. Spammers use open proxies to hide their point of origin. Often combined with open relays.

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open relay - An SMTP e-mail server that lets third-parties relay e-mail messages. This opens the door for spammers to use your network as a spam factory. All too often, this leads to crashing servers and getting your email blacklisted. That's bad for business. trimMail Inbox prevents spammers from using your Microsoft Exchange or other e-mail server as an open relay.

When properly installed, trimMail Inbox will prevent malicious senders from using your mail server as an open relay.

We back this pledge with our exclusive 200% No Relay Guarantee for trimMail Inbox.

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polymorphic spam - Unsolicited Commercial Email wherein the subject line is changed a bit in each message sent. trimMail Inbox detects polymorphic spam.

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reverse DNS lookup - Use the sender's Internet Protocol address listed in the message header to query a Domain Name Server to make sure the sender's domain matches the sending domain listed in the message header. trimMail Inbox performs a reverse DNS lookup, and adds results to its message score.

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RFC-Ignorant - RFCI. A list of networks where the information provided in the WHOIS record for a given network is missing, inaccurate, out of date. trimMail Inbox consults it, and adds its input to the message score.

Visit http://www.rfc-ignorant.org/policy-ipwhois.php for more information.

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RSS - 1) Rich Site Summary; 2) Really Simple Syndication. An Internet document format that, when published, allows others to retrieve and display the document as its publisher intended.

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script - Code that, when embedded in a message, may be used to perform potentially damaging tasks unauthorized by the user. trimMail Inbox disables scripts.

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spam - Any e-mail you have not requested and do not want.

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Spamhaus Block List - SBL. A realtime DNS-based database of IP addresses of verified spammers, spam gangs and spam services. trimMail Inbox consults it, and adds its input to the message score.

Visit http://www.spamhaus.org/ for more information.

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Unix shell script - Code that, when embedded in a message, may be used to perform potentially damaging tasks unauthorized by the user. trimMail Inbox disables it.

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unknown viruses - Viruses that have not yet been recognized by popular virus scanning vendors. Typically embedded as a form of scripts. trimMail Inbox disables all scripts.

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Unsolicited Bulk Email - UBE. Any non-requested e-mail designed to sell you something; spam.

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Unsolicited Commercial Email - UCE. Any non-requested e-mail designed to sell you something; spam.

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virus - A self-replicating, self-executing program designed to change the way your computer operates, usually in very damaging ways. trimMail Inbox can disable both known and unknown viruses.

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Visual Basic Script - VBS. Code that, when embedded in a message, may be used to perform potentially damaging tasks unauthorized by the user. trimMail Inbox disables it.

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web bugs - Code that, when embedded in a message, may be used to send unauthorized information about you offsite. trimMail Inbox disables web bugs.

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white list - A list of e-mail addresses from outside your network that are cleared to send mail to your e-mail server(s). If you like, trimMail Inbox lets you build your own custom White List.

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worm - Worms infect your computer's memory, then send copies of themselves throughout your network. Strictly speaking, they are not viruses. Worms usually reside in a computer's main memory, as opposed to other resources.

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trimMail Inbox is no longer manufactured. Refurbished trimMail products
are distributed by Comco, Inc. and its channel partners.

Call 800-432-8638/563-355-1212.

[Buy Today] [Contact Us]
[Call 1-800-432-8638]

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