CudaMail - Hosted service filters spam and viruses before they reach your network. This type of filtering can increase security, save bandwidth and reduce the load on your email server. Spam Cop - Spam reporting service. Vipul's Razor - Collaborative spam filtering network allowing users to report and filter out matching spam. Mailshell - Offers protection against spam, combined with personalization and privacy for individual email users. Spam Arrest, LLC - POP3 service that blocks spam using sender verification methods. SpamStopsHere - An email filtering service for businesses or individual domains. 30 day trial offered. SpamFilter for ISP - Proxy software for incoming mail. Messagecleaner - UK Company offering a service to remove viruses and spam mail before they reach the recipient. MIMEShield - Runs as Domino server task, doesn't require template customizations, supports blacklists/whitelists, spam email categorization, electronic fingerprinting. Supports multiple Maps/RBL blacklists, auto-whitelist generation on outbound SMTP traffic. Pyzor - Open source collaborative spam filtering system using digests of messages to identify spams. ASSP - Anti-Spam SMTP Proxy implementing platform independent email filtering services. AppRiver - An email security company offering hosted spam and virus protection and a scanning engine especially for OEMs. Also offers Exchange hosting. Sender Policy Framework (SPF) - Framework for publishing information through DNS describing a list of ip addresses allowed to send emails from a specific domain. SODA3 - Mobile email filtering service for POP3. Filters your view of your mailbox so you only see email from important senders on your mobile device. E-Mail Magician - Automates filter, mailbox, and nickname creation for Eudora Macintosh. Filters on more than 1,000 spam characteristics. The Spam Eater - Checks your existing POP3 email account every ten minutes and filters spam and viruses. A 30 day free trial is offered. Spam Soap - Managed spam service featuring message store/forward, message archiving, and administration at both end user and domain levels. Dicontas - UK based provider of email filtering, email monitoring and centralized administration services for business users. Spam Filtering for Mail Exchangers - Document offers detailed discussion on how to filter junk mail in incoming SMTP transactions. The Email Laundry - Spam filtering service to block spam and viruses by domain. MX Police - Managed anti-spam, virus and malware protection. MX Force - Enables VARs, OEMs, and ISPs to provide world-class managed email security services. FakeMX - Providing a service to temporarily reject mail directed at low priority servers. Online Spam Solutions - Managed spam blocker and filtering service for small businesses. Blocks spam and viruses through MX redirection. A 30 day free trial is offered. Spam Safe Mail - Network email scanning and filtering service that removes junk emails at the network level before they are delivered to your mailbox. CTScleanmail - Managed enterprise quality spam and virus filtering service. MailSentry - Australian company offering a managed service with protection from viruses, spam, malware, phishing and unwanted content. Eliminate Spam - Services to stop spam, viruses and control web access. Firewall installation and setup to prevent server/network security breaches. SpamTrap - Fully-managed antispam solution and antivirus service. Spamela - Protects your e-mail system and network from spam and other malicious communications. ASSP Deluxe for cPanel - A set of php scripts to install and configure ASSP on a cPanel server. Styopkin Antispam Scanner - Removes unwanted email messages from your email server. Securence - Managed spam service offering anti-spam and anti-virus filtering technologies. OnlyMyEmail - Managed email filtering. Blocks spam, phishing and viruses before they reach your network. Solutions for corporate, personal and children's protection. Hosting and free trial available. Safentrix - Offers a free (ad supported) and enterprise email security solutions, to blocks spam, virus and malware. POPFile - Open-source automatic mail classification tool using Bayesian statistical methods. NoSpam Mail Protection - Hosted email security and continuity solution compatible with any email system. Stops junk mail, viruses and acts as a mail server backup. SMX - New Zealand based spam filtering company protects your systems at the network layer with no software or hardware to install. SpamHero - Domain wide spam and virus filtering with no per-email address fees. Hosted spam filter with nothing to install. Spam Reader - Bayesian spam filter download for Outlook. Supports IMAP, POP3, HTTP, and Exchange mailboxes. ProFilter - Managed service which filters spam, viruses and malware. Supports POP, IMAP and SMTP. Junk Blocker - Hosted email filtering. Blocks spam and viruses for an entire domain before reaching your network. Solutions for corporate or personal email protection. A 30 day free trial is offered. SpamMX - Anti-spam and virus gateway. Prevents spam, viruses, malware, trojan horses, phishing attempts and spyware from making it into your network. Spam-Filter - A fully managed domain-wide email spam filter service hosted in the cloud. No hardware or software to install. TruClean - South African company providing an E-mail gateway that sits in the cloud between your ISP and internal mail servers. The service filters and removes spam / virus mail before it arrives at your server. Mailwall Remote from Omniquad Ltd. - Cloud-based email filtering solution for business and enterprise customers. MailCleaner - Anti-spam software for business. A gateway installed between mail infrastructure and the Internet. It offers professional protection against viruses and spam. Exists as software edition or cloud based solution. RMX - SMTP anti-forgery protocol - Filtering protocol verifying the sender address through authorization records made available in DNS to prevent address forgery. SpamTitan - Anti spam solution for SMBs, ISP and education sector. Blocks spam, viruses, trojans, spyware and malware with a low false positive rate. Distributed Checksum Clearinghouse - System of clients and servers that collect and count checksums of email messages in order to detect and filter bulk UCE. Mailworx - Provides a hosted anti spam filtering service. The service helps eliminate spam and junk mail. Suitable for organizations ranging from 1 to 1000 users. Sophos PureMessage - Email management solution that provides full control over security and usage of corporate email systems. Clapf - An open source email content filter application. Clapf is a modular statistical antispam application with an interface to popular antivirus programs. Mailprotector - A hosted spam filter and managed email security service. Also offering Hosted Exchange and web security services. M3AAWG - Messaging, Malware and Mobile Anti-Abuse Working Group comprised of hundreds technology companies around the globe. DMARC - Domain-based Message Authentication, Reporting and Conformance (DMARC) is an email authentication protocol designed to detect and prevent email spoofing. Fraudmarc - Free tools to deploy SPF, DMARC, MTA-STS & TLSRPT. Email security & authentication services for businesses. xQmail - Dutch company offering managed hosted or dedicated virus and spam filtering, works through mx redirection. Free 30-day trial is offered. SpamDrain - Swedish company filters individual POP3 and IMAP accounts as well as entire domains. No software installations required. Offers a 30-day trial.