You've probably seen web sites with a link near the bottom of the page encouraging you to send a link to your friends. These features allow your visitors to share links with their friends while increasing your web traffic.
GenieGate::Forwarder is similar, it uses a "postcard approach" to link forwarding.
The free version is just 1 single perl script with a readme. It's easy to customize
because it uses templates in the file. Documentation is included inline, it uses
the perl module Net::SMTP -or- it can use an external mail program
such as sendmail.
Unfortunately, some link forwarding programs also allow your visitors to forward
your competitors links. (they do this by changing the Referrer
header). Additionally, they are sometimes used by spammers.
GenieGate::Forwarder is different, it will not allow people to send outside URL's, nor does it send email the message itself, finally, it attempt to validate the message by refusing to allow text that appears to be an email address or url. While this approach of making it virtually useless to spammers is hardly spam proof, it does move in the right direction.
If you've tried the free version, you may have noticed that it appears to call on mod_perl methods, this is because it was written specifically for mod_perl. It is not a cgi-script ported over to run as a registry script. It is a native mod_perl handler that has been made to work in CGI mode (for the free trial)
Currently it runs under mysql, but higher scale websites may have alternate storage requirements. (For example, load balanced servers without a common filesystem) It's storage framework is designed for this type of thing, implemented as pluggable modules, a perl coder can craft the underlying storage in any way they see fit!
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