Top "Spam-prevention" questions

Question context is related to spam prevention/filtering

How can I find the Largest Common Substring between two strings in PHP?

Is there a fast algorithm for finding the Largest Common Substring in two strings or is it an NPComplete problem? …

php algorithm string performance spam-prevention
Currently best spam filter algorithm

What is the currently best method to detect spam ? especially on mobile text message. are there any resource or comparison …

algorithm spam-prevention
How to create a "Nuclear" honeypot to catch form spammers

My current honey pot on my registration form is an entry for phone number which is placed off screen using …

forms spam-prevention
Honeypot implementation

Trying to filter out spam from an online form. I have a hidden div with an input. The idea is …

javascript spam-prevention honeypot
python: correct method verify if email exists

I am trying to verify if an email actually exists by first resolving its dns, then check if the email …

python smtp email-validation spam-prevention email-spam
How SpamAssassin defines BAYES_99 ? How to avoid it?

SpamAssassin marks my email with reason BAYES_99 , which means the email is 99% ~ 100% spam email. What is the mechanism of SpamAssassin …

spam-prevention spamassassin
Neural networks for email spam detection

Let's say you have access to an email account with the history of received emails from the last years (~10k …

machine-learning neural-network classification spam-prevention
Reliably detecting PhantomJS-based spam bots

Is there any way to consistently detect PhantomJS/CasperJS? I've been dealing with a spat of malicious spambots built with …

phantomjs mediawiki casperjs spam spam-prevention
Do subdomains protect a domain's reputation when sending emails?

I'm working on an application that is meant to distribute emails by the thousands. We've started interfacing with Mandrill to …

email subdomain spam mandrill spam-prevention
Can a telegram bot block a specific user?

I have a telegram bot that for any received message runs a program in the server and sends its result …

api telegram-bot spam-prevention