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community site spam
Posted: Tue Oct 31, 2006 3:28 am
by phpdevuk
We run a community site here, and have recently been having someone mass spamming members. We delete the posts and also the account but the spams continue almost like its is a script sending the messages. Can anyone think of any good way to prevent a script from accessing a website email system? The messaging system is behind a login which would normally be enough to prevent a script from accessing. We are thinking currently of adding some kind of image verifaction system to stop it from submitting, but obviously this is going to be an irritation to members.
Any other ideas?
Posted: Tue Oct 31, 2006 8:18 am
by tbrown1
Did you check to see if it is coming form one IP address or many different ones?
Posted: Tue Oct 31, 2006 10:51 am
by hawleyjr
Track how often each user is sending mail. Create a flood control to track and limit email usage.
Posted: Tue Oct 31, 2006 11:14 am
by MrPotatoes
add capacha and a robots.txt to stop certain robots from entering
Posted: Tue Oct 31, 2006 11:21 am
by Buddha443556
I've used the presence of Javascript to filter out the robots on some contact forms.
Code: Select all
<form name="contact" method="post" action="form2mail.php" onsubmit="document.contact.jstatus.value='true'; return true;">
<input type="hidden" name="jstatus" value="false">
.....
</form>
Works well on sites with a non-techie demographic.
Posted: Wed Nov 01, 2006 8:00 am
by phpdevuk
all good ideas, thanks!