Protect Your Email Accounts From Unwanted Spam
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Zero Spam is possible - Install WISE Key in front of your mail server

Free for small business
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WISE Key is an innovative and highly effective set of Anti-Spam tools

      For System-Administrators
Simplify your tasks - Only need to maintain a working mail server
Know what is going on - Watch email flow in real-time
Secure your mail server - Avoid being an open relay
Save resources - Reduce Spam from entering your email processing chain
Let end users take control of how much spam they wish to receive - Zero Spam is possible

      For End-Users
Change your email identity immediately
Give out disposable addresses
Give out permanent addresses
Lock your mailbox - Only senders with a valid key or on your trusted list can send you
Send email out from anywhere - If you are presently restricted to send only from your office

Mail Server Help

Anti-Spam Tips

How to install my own mail server? - Easy. Get a Linux server and configure its sendmail program.
What is SMTP? - A language spoken by all mail servers
What is HELO? - An SMTP command. Great spot to reject spam.
Where to find real sender's address? - From header is for reference only. Real one is given at SMTP MAIL FROM stage.
Where to find real recipients's addresses? - To and Cc headers are for reference only. Real ones are given at SMTP RCPT TO stage.

Tired of Spam? Who isn't?
Can Spam Filtering achieve zero spam? - No
Where to get a disposable address? - A comprehensive list of types and providers

Mail Server Security

What is open relay? - Watch out for relay holes.
Open relay roster - Is your server IP on this list?

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