Free antispam service for pop, Yahoo, and Hotmail accounts supporting multiple languages.
Filtering protocol verifying the sender address through authorization records made available in DNS to prevent address forgery.
Provides server-side POP3 based spam filtering.
An email security company specializing in spam and virus protection, offering SecureTide, a hosted spam protection service, and Message Sniffer, a scanning engine especially for OEMs.
Allows you to monitor and filter e-mail traffic to protect your organization from spam and virus attacks.
Fully managed service which filters viruses, worms and malicious macros and spam. Firm with offices in UK, France and Sweden.
Protects your entire domain from spam and viruses. No software to install or maintain.
Automatically checks and notifies you of spam e-mail before you download it.
Framework for publishing information through DNS describing a list of ip addresses allowed to send emails from a specific domain.
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