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Thread: Announcement: Banned email domains at CareCure

  1. #1

    Announcement: Banned email domains at CareCure

    For the past several months, CareCure has been slammed with as many as 250 registrations per week by spambots (computer programs that register and post spam on the site). We have taken drastic steps to fight this onslaught of spam and these steps have significantly reduced the number of spam posts by 80% or more. However, this required that we ban registrations that use certain email domains. The following email domains have now been banned from registration on this site.

    @ajiex.info
    @bazehost.info
    @bestboyfilms.org
    @best-ringtones-online.info
    @bk.ru
    @bluebottle.com
    @cashette.com
    @filki.com
    @freefreemail.info
    @freehardcorevideo.org
    @freeideasearch.info
    @freepochta.info
    @freeservicemail.info
    @gala.net
    @gawab.com
    @giza.cc
    @inmail24.com
    @iscw.org
    @kors4all.com
    @list.ru
    @lopigax.com
    @mail.ru
    @mail333.com
    @mymail-in.net
    @nerdshack.com
    @nightmail.ru
    @nudism-8.com
    @nudists-8.com
    @osfind.info
    @pornobilder-mal-gratis.com
    @putoncondoms.com
    @rambler.ru
    @sibmail.com
    @telegraf.by
    @tut.by
    @ukr.net
    @verybigdicks.info
    @web.de
    @wedding-vows-etc.com

    The most commonly used email domains (the number of banned spammers is given in parentheses) by spambots are @cashette (183), @web.de (159), @gawab.com (95), and @mail.ru (91). We try our very best to avoid banning email domain that are used by members. With the exception of web.de which has about a dozen members who have registered, it appears that all registrations from these domains are spammers. To members who use the email @web.de for their email, I suggest that you change your email address. Unfortunately, we have no choice but to ban this email domain from registering. I am sorry.

    Wise.

  2. #2

    Take a look

    If you look at most of these email domains, it should be obviuos to most that use the pc on a regular basis that it generates spam. Most of them are sexual in nature (that's not a bad thing) but it lures people in. Stick with what you know.

  3. #3
    I've seen other BB Software require that new users be able to copy a short word/ word image. Most spambots cannot perform this task and it should be ADA-compliant.
    Carl

  4. #4
    Quote Originally Posted by carl
    I've seen other BB Software require that new users be able to copy a short word/ word image. Most spambots cannot perform this task and it should be ADA-compliant.
    Carl
    Hackers have a way to get around this, unfortunately. It's been available for awhile now.

  5. #5
    Quote Originally Posted by carl
    I've seen other BB Software require that new users be able to copy a short word/ word image. Most spambots cannot perform this task and it should be ADA-compliant.
    Carl
    Carl, the vBulletin software now requires all registrants to type in a password from an image. This is called CAPTCHA but unfortunately programs are being developed to defeat these systems almost as fast as they are being produced. The most effective ones also turn out to be be hard even for people to read. At the present, we are using a combination of banning email domains and IP addresses. This approach has reduced the number of spam posts to a tolerable level.

    It is interesting that many spammers (in order to track their progress perhaps) use spambots that use the same usernames. So, for example, if you see a spam (before our moderators remove it), just do a Google search on the username. You will find that the username appears in thousands of bulletin boards with the same spam.

    There are several other actions that we can take to reduce the number of spambots attacking our sites.

    1. We can require registrants to fill in some of the information on registration. I have noticed that none of the spambots fill out any of the information. It is possible to ask people to enter a particular word in one of the fields before the registration would be accepted. Since this is not commonly used by most bulletin boards, this would hold off some spambots. For example, we can require that all people who register have to put a valid birthdate. Actually, this is part of our bulletin board software and can be easily implemented.

    2. We can require email confirmation of the registration. Of course, many spambots have the capabilty of putting an email address down, receiving the email, and then confirming the registration (in fact, a spambot can be programmed to do most things that a human could do). But, some spambots cannot do this. Unfortunately, when we use to require email confirmation, we had a significant number of people who had difficulties registering because their email programs or systems threw out the email as junk. Also, we have a lot of newbies who don't know how to do an email confirmation. So, when we use to require email confirmation on infopop, some 20-25% of the people who registered never completed the email confirmation.

    3. We can go to manual processing of registrations. By the way, information concerning a person's spinal cord injury or reason why they want to join this site is proof that the person is not a spambot. Probably the most effective way of screening registrants is to have moderator approval of new registrations based on the information provided and the reason why people want to join our site. I am a little reluctant to do this because we are getting as many as 50 new registrations per day on this site and approving them may result in a significant delay for people to post on the site and also a lot of work for our moderators. This would be a lot of work. Since we have initiated banning of email domain and IP of spammers, the number of registrations has fallen to a more reasonable level of 10-20 per day.

    Let us see how the procedures that we have set up works. If the spamming continues at a high level, we can implement these other steps.

    Wise.
    Last edited by Wise Young; 12-20-2006 at 01:59 AM.

  6. #6
    Wise, this may help:
    Please go to this link. This is a Top Web Comic system that you may want to look at doing?
    Underneath the comic, you will see a small picture link next to the First, Last, Random buttons. It says Vote! TWC on it.
    Click on that button. It will come up with a page with a picture that has a picture and word in it, and then three buttons below that have the word.
    In order to "vote for the comic" you have to press the button that matches the picture word. This Top Web Comic also implements Capitcha, however had to implement this procedure too because they too were getting too many bots that were getting through capitcha. You may want to implement something like this.
    You can delete the link after you read this, cause it would probably be considered spam and doesn't need to be here anyway, plus a lot of others 'voting' for this comic would really throw off things.

  7. #7
    Senior Member
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    Quote Originally Posted by Wise Young
    Carl, the vBulletin software now requires all registrants to type in a password from an image. This is called CAPTCHA but unfortunately programs are being developed to defeat these systems almost as fast as they are being produced. The most effective ones also turn out to be be hard even for people to read. At the present, we are using a combination of banning email domains and IP addresses. This approach has reduced the number of spam posts to a tolerable level.

    It is interesting that many spammers (in order to track their progress perhaps) use spambots that use the same usernames. So, for example, if you see a spam (before our moderators remove it), just do a Google search on the username. You will find that the username appears in thousands of bulletin boards with the same spam.

    There are several other actions that we can take to reduce the number of spambots attacking our sites.

    1. We can require registrants to fill in some of the information on registration. I have noticed that none of the spambots fill out any of the information. It is possible to ask people to enter a particular word in one of the fields before the registration would be accepted. Since this is not commonly used by most bulletin boards, this would hold off some spambots. For example, we can require that all people who register have to put a valid birthdate. Actually, this is part of our bulletin board software and can be easily implemented.

    2. We can require email confirmation of the registration. Of course, many spambots have the capabilty of putting an email address down, receiving the email, and then confirming the registration (in fact, a spambot can be programmed to do most things that a human could do). But, some spambots cannot do this. Unfortunately, when we use to require email confirmation, we had a significant number of people who had difficulties registering because their email programs or systems threw out the email as junk. Also, we have a lot of newbies who don't know how to do an email confirmation. So, when we use to require email confirmation on infopop, some 20-25% of the people who registered never completed the email confirmation.

    3. We can go to manual processing of registrations. By the way, information concerning a person's spinal cord injury or reason why they want to join this site is proof that the person is not a spambot. Probably the most effective way of screening registrants is to have moderator approval of new registrations based on the information provided and the reason why people want to join our site. I am a little reluctant to do this because we are getting as many as 50 new registrations per day on this site and approving them may result in a significant delay for people to post on the site and also a lot of work for our moderators. This would be a lot of work. Since we have initiated banning of email domain and IP of spammers, the number of registrations has fallen to a more reasonable level of 10-20 per day.

    Let us see how the procedures that we have set up works. If the spamming continues at a high level, we can implement these other steps.

    Wise.
    If only these spammers were to wwork on SCI it could be beat in a matter of weeks, what a waste of talent and energy

  8. #8
    Senior Member justadildo's Avatar
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    DOC...you banned nudism-8.com....does that mean i have to go get dressed now?

  9. #9
    Quote Originally Posted by alhavel
    If only these spammers were to wwork on SCI it could be beat in a matter of weeks, what a waste of talent and energy
    Good point, except that the real point is that the spammers are preventing Dr. Young from having more time to work on curing SCI!
    Carl

  10. #10
    Super Moderator Sue Pendleton's Avatar
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    Quote Originally Posted by justadildo
    DOC...you banned nudism-8.com....does that mean i have to go get dressed now?
    Nah, just hang out on usegroup under rec. (very short list compared to the alt.s) and then scroll to nudists or nudism. Been awhile since I ran across it. Reminded me of Hawkeye on M*A*AS*H*.
    Courage doesn't always roar. Sometimes courage is the quiet voice at the end of the day saying, "I will try again tomorrow."

    Disclaimer: Answers, suggestions, and/or comments do not constitute medical advice expressed or implied and are based solely on my experiences as a SCI patient. Please consult your attending physician for medical advise and treatment. In the event of a medical emergency please call 911.

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