oh that'll work....I already have a system like that in place for my email subscription manager!
I'll have to do that. Thanks. --- In [email protected], "Marc Boncz" <[EMAIL PROTECTED]> wrote: > > Hi Marian, > > >How do I prevent spam bots from exploiting php scripts that send mail? > > > >Need to know... > > > >(SIGH) > Google for "Turing engine"; i.e. the principle that these bots generally > don`t interpret things in images and humans do. The famous: "to submit, type > the lettes you see in the image on this page in the field below" thing. > > General idea: > start a session. > generate a random combination of letters and store in database, in a record > also holding the session number. > display form, containing image (imagemagick) composed of a fuzzy background > and the code you just generated and stored. > > After submit, lookup in database the record belonging to this session number > and see what is the correct code. > Compare the code submitted with this code. > If correct, script can proceed. To not get a very large sized database, > eliminate the record. > > There are more detailed descriptions and examples on how to do this online. > > Marc > Community email addresses: Post message: [email protected] Subscribe: [EMAIL PROTECTED] Unsubscribe: [EMAIL PROTECTED] List owner: [EMAIL PROTECTED] Shortcut URL to this page: http://groups.yahoo.com/group/php-list Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/php-list/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
