Projects

Mailvisa

Mailvisa is a spam filter along the lines of Paul Graham's "A Plan for Spam". It classifies messages by comparing the words in them to known spam words. CPU usage, filtering speed, and filtering accuracy are comparable to other Bayesian filters. Mailvisa was originally intended as a ... [More] platform for experimentation with different filtering parameters, but it has evolved into a useful spam classifier. [Less]

denyspam

OverviewDenySpam monitors a mail server log file and uses a firewall to temporarily block or redirect incoming packets from hosts that display spammer-like behavior. The primary benefit of DenySpam over other anti-spam solutions is that it stops many spammers before they waste your bandwidth and ... [More] server resources, and it doesn't require any maintenance or training in order to be effective. And if you'd rather fight back instead of just blocking spammers outright, DenySpam integrates nicely with the spamd SMTP tarpit, which provides endless amusement by wasting the time and resources of spammers trying to connect to your server. DenySpam comes configured for use with Postfix and pf, but should be usable with most Unix mail servers and firewalls with a little bit of configuration tweaking. See the FAQ for a detailed description of how DenySpam works. RequirementsRuby 1.8.5+ [Less]

spamsack

SpamSack is a lightweight web application that is meant to take email from anyone to anyone at the specified domain name. It reads a specific POP3 account, downloads all email, and associates it with the proper account or builds a new one for it. This is largely intended to allow people to ... [More] create ad-hoc email addresses for a given domain, quite possibly to catch spam or other unwanted email. This description needs to be rewritten ;-) [Less]