[SpamCop-List] Re: Brightmail spam filter - opinions?
VROYLUAKAPCX at spammotel.com
Wed Jun 23 12:36:29 EDT 2004
"Borgholio" <borgholio at storymind.com> wrote in message
news:cb825m$9bg$1 at news.spamcop.net...
> My email service is implementing a Brightmail spam filter for all email
> servers. It's optional, but I'm getting so much spam lately that I might
> just cave-in and enable the filter. Does anybody else have experience
> Brightmail? How well does it work?
I turned off the Comcast Brightmail filter because they had too many false
positives and offered no way to white list these senders. They requested I
send these emails to them (Comcast) as Mime attachments with headers intact
but 3 weeks after forwarding dozens of examples, they had not whitelisted
any of the emails. Most are newsletters I subscribe to but some were just
personal emails. One was from my sister with just the sentence "I agree,
Bro :)" as the body!!!
Brightmail seems to be particularly blind to text emails offering phony
degrees despite the constant phone number they could key on. Also, they
don't filter on dynamic IP ranges from the big broadband providers.
Based on their advertising, Brightmail relies solely on spamtrap mailboxes
so they are also blind to spammers who obtain your address with methods that
Brightmail doesn't use to attract emails and to any spammers who might be
smart enough to avoid the Brightmail traps.
All in all, they claim 95% accuracy and 0% false positives. I'd say they
get 60-75% of the spams and maybe 5% of the non-spam is being blocked by
Be sure your ISP allows you to check the blocked emails and you check them
often to determine whether wanted emails are being blocked.
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