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The Bottom Line
QuarantineMail removes practically all spam reliably by assuming everything from unknown senders is spam, but requires new senders to respond to a challenge.
Pros
- QuarantineMail has a simple, effective concept
- Fairly easy to use
- Can send challenge as image
Cons
- QuarantineMail is an inconvenience for new senders
- Requires initial work
- Supports Microsoft Outlook only
Description
- QuarantineMail is an anti-spam Outlook add-on that assumes all mail from unknown senders is spam.
- Messages from unapproved senders are quarantined and the senders is sent a challenge.
- Original sender must return the challenge phrase to be placed on approved senders list.
- QuarantineMail can send the challenge in plain text or as an image attachment.
- In addition to challenge responses, senders and complete domains can be approved manually.
- Manual approving is easy for address book entries, or from existing messages.
- QuarantineMail automatically checks for updates.
- QuarantineMail supports Windows 98/ME/NT/2000/XP and Outlook 2000/2002.
Guide Review - QuarantineMail 2.0 - Outlook Spam Filtering Add-On
The 100% spam filter deletes all mail immediately. You could just as well stop using email. The 99% spam filter deletes all messages except from certain senders. This has the drawback that you can't receive email from new senders — unless you go through the junk.
The solution that QuarantineMail offers is that of challenging every sender to confirm their emails. They get a secret code (either in plain text or as an image). Returning the code puts the sender on the list of approved senders. Spammers won't do this.
Most legitimate senders will return the code, but of course this strategy produces some inconvenience, especially if you get lots of mail from unknown senders. And of course a spammer may be using an approved sender in the From: line...
