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Frequently Asked Questions
Is it really free? |
Yes, both TMDA and tmda-cgi (the program that lets you configure TMDA with
your web browser) are free. The programmers who created it volunteered their
time because they hate spam that much.
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Won't this challenge/response thing annoy people
who send me mail? |
A little, perhaps. But I think you'll see that the inconvenience is slight
and since other users only have to confirm once, they won't mind doing it to
help you stay spam-free. You'd reply to a message to make them spam-free,
wouldn't you?
Also, you can edit the list that TMDA uses to determine whether messages get
challenged. If you really think that replying to confirmation messages will
annoy your friends, you can put their addresses on the list pre-emptively and
they'll never notice a difference.
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Can I look at the messages in quarantine to
make sure I'm not missing something
important? |
Yes, tmda-cgi has a feature that lets you look at quarantined mail. TMDA
calls this your "pending" directory. You can even select the whitelist button
associated with a message to release it, and allow future mail from that
source to be accepted without challenge.
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What about my mailing list and
joke-of-the-day? How will that get past
TMDA? |
There are two simple ways to tell TMDA to accept mail from a particular
automated source:
- For automated mailings that always come from the same e-mail address (such
as a joke-of-the-day mailing), simply add the sender's e-mail address to
your list. Any future mailings from that address will be accepted without a
challenge.
This is nice because if joke-of-the-day (or whomever) sells off your address
to a spammer, you still won't receive any spam. The spammer will almost
certainly send the spam from a different address than the one you
listed.
- Mailing lists require a slightly different tactic. Since the posts come
from all sorts of different addresses, the easiest solution is to create a
"keyword" address and use that when you sign up for the list.
Suppose you wanted to join a mailing list about quilters. Instead of signing
up with your real e-mail address (let's say it is
joe@i.love.quilts.com), you can use tmda-cgi to generate a keyword
address such as joe-keyword-quilters.092a48@i.love.quilts.com and
use that when you sign up (yes, it is a pretty long address, but you can
generally copy and paste it). Any e-mail that arrives to this address will
be accepted.
Keyword addresses are a bit like giving out a key to your mailbox. Anyone
can send mail to them. If the a spammer gets a hold of a keyword address,
they can start spamming you again. However, locks are easily
changed and keywords are easily revoked. If you start receiving spam
directed to joe-keyword-quilters.092a48@i.love.quilts.com, you'll
know it leaked out from your quilters mailing list. You can revoke the
address and either sign up again to the mailing list with a new keyword
address, or revoke the keyword and find some other place to get your fix of
quilting news.
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What if I change my mind? Can I get rid of
TMDA easily? |
Yes, there is an uninstall option on the tmda-cgi menu, under "settings".
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