spam-prevention

What is the correct blog url format for the akistmet api?

For Akismet, the first requirement for checking a blog comment for spam is to pass what Akismet calls the blog. This parameter is described as such: blog (required) The front page or home URL of the instance making the request. For a blog or wiki this would be the front page. Note: Must be a full URI, including http://. ...

Is email harvesting from login/signup/forgot forms a genuine concern?

I'm building a membership system keyed by email address. I.e. Email/password. As I do it there is always this niggling concern in the back of my mind that a spammer is going to bot my forms and use them to verify email addresses somehow. For example, if I put an ajax email checker on the registration form which goes off and asks the se...

spam detecting in website

i m thinking of making a website..and i want to keep a track on the sent messages! what if some human and not a computer is sending messages that are nt at all subject related..any way to stop that! [apart from the public cooperation] as in how does stackoverflow keeps track of spams.. how it makes sure that the message sent is totally ...

Asking for CAPTCHA only once with MvcReCaptcha

I'm using MvcRecaptcha to prevent bot posts for a complex unauthenticated client form on an ASP.NET MVC 2.0 site. I only want to require one correct CAPTCHA entry from an unauthenticated client, even if some of the form's inputs are incorrect. I have tried using a Session["CaptchaSuccess"] = true; variable to suppress Html.GenerateCapt...

Javascript spam prevention based on comment content

Please help me. Recently I've been getting lots of comments that don't address the posted content in any way, instead only indicating the cardinality of the comment. I would like to stop these comments before they are posted by using a Javascript function to check if they are spam before submitting them. Here's what I came up with. va...

Steps to prevent spam on system like Digg

Heya guys, im currently working on a system that's based around the concept of Digg where as you have a button on an external site and a user who clicks that button gets to post / digg it. Anyways, Im looking for some information on the types of spam that I will expect as time grows on. So far I have thought about a fair few factors, s...

If i use captcha will i be able to stop the spam completely in my blog?

Hi, i have a blog and the only user input is the commenting system, now i want to avoid the spam totally, which method will be wise to adopt? akismet way or captcha method.. my client doesnt mind his user entering few verification string to post comment, if i adopt it will i be able to completely control the spam if yes then could yo...

Optimizing mail() for company firewalls

i there. I'm creating a newsletter for my company - the receivers will most likely be other companys employees using their company email adress. The problem is, when I send mails using mail(), it most will often be catched by the firewall marking it as spam, at it was sent by a webserver. How can I optimize my function, so the amount ...

How much the honey pot practice is efficently against spam?

With honeypot, i mean more or less this practice: #Register form <style> .hideme{ display:none; visibility: hidden; } </style> <form action="register.php"> Your email: <input type="text" name="u-email" /> Choose a password: <input type="text" name="passwd" /> <div class="hideme"> Please, leave...

Automatic spam filtering or flagging for Django or Python?

I'm working on a Django-based site that consists mostly of user- generated content: reviews, comments, tweet-like posts, etc. I'm concerned about spam. Are there any spam filters available for Django/Python? If not, what types of algorithms can be used for automatic spam filtering or flagging? On a more general note, does anyone k...

using form buttons for spamproof email-addresses

I have been looking at some methods for spamproof email methods here. I'd like to propose a more simple approach: Since I need a couple of different email addresses I considered just using a selectbox with JS or serverside redirect, as per examples on here. Because google doesn't spider forms (dixit Matt Cutts), and spam-harvester scrip...

Email Program / Service that will hold messages until sender fills out a CAPTCHA.

I'm looking for the following service >> When a person emails an individual, the email goes into a temp hold inbox that they do not see. The person who sent the email will receive an auto responder asking them if they are a real person and they have to fill out a CAPTCHA or something along those lines for the message to be released on...

How can we prevent our web sites from spammers..?

hi everyone, I have looked some web sites in which automatically scripts run by spammers. How can we prevent our web sites from that spammers. Any help or reference to the article. Thanks in Advance ...

GoogleMail classing newsletter as spam

I have a Wordpress website which uses the Subscribe2 plugin to send out a weekly email newsletter. Each week my newsletter has been sending out fine, but for the past two weeks, the newsletter has been caught by GoogleMail's spam filter. It goes to other addresses fine. I need to fix the Gmail problem if possible. I'm using settings to ...

Stop spam without captcha

I want to stop spammers from using my site. But I find CAPTCHA very annoying. I am not just talking about the "type the text" type, but anything that requires the user to waste his time to prove himself human. What can I do here? ...

A captcha and forced registration still isn't stopping robot spam

I'm using the phpdug template at http://fantasybookmark.com and there's still spam coming through. What additional steps should I take? Is recaptcha THAT much better than the captcha system in place here? ...

How to configure comment notification such that no emails are sent in case of spam?

I have a drupal 6 site running with blogs on it. I use the comment notify module to implement wordpress-like notification of new comments and the antispam module for keeping the spam off the site. The issue I have is that commenters get email notification for each comment, including the spam ones, eventhough the antispam module filters ...

Am I better off using Google Mail servers to ensure my email isn't marked as spam?

I'm starting an E-Card business. And although mine is completely legitimite, I know they can be frequently flagged as spam. These are for people's birthdays and such, and it is important that they have the best chance of reaching the recipient. Am I better off using Google mx servers for my mail? Or is there a service that could help...

Designing an new user confirmation (verify via email)

I am developing an ASP.Net application that will need to verify that the user is legit and not a spam. Once the new user enters their first name, last name, email address, my application will send an email to verify the user's authenticity. The email would conatin a link that would confirm the users account. I am looking help on what ...

Security and Spam filtering of an online survey?

I'm not sure how many of you are familiar with XKCDs color survey that was up awhile back, you can read about it in his blog, but I want to have a test along the same lines as his. Ask some questions and collect people's responses. Not necessarily about colors and such. I want to gear my test towards converting emotions to numbers using ...