"the...@sys-concept.com" <the...@sys-concept.com>, 20.05.2021, 23:20:
> On 5/20/21 1:29 PM, tastytea wrote: >> On 2021-05-20 11:20-0600 the...@sys-concept.com wrote: >>> It seems to me IPv4 is broken beyond repair. >>> I'm trying to block spammers but they rewrite the source IP (that is not >>> checked) so it is impossible to block them. >> A good measure against non-targeted spam is a hidden input field with >> the name “url”. If the bot put anything in that field, throw it out. >> Simple math captchas (like “what is 2 + 3?”) work well too. >> If the spam is targeted, you'll probably need a more advanced captcha >> solution. > Simple math captchas might work, but I have to find out how to implement it > into current php e-mail form. I have a feedback form collecting customer comments, where the customer has to acknowledge that their data will be evaluated and published. Motivated by the GDPR, so a meh effort on my part at best. In the last twelve months _no_ form spambot has give me the permission to publish their spam, so it goes straight to the great bit-composter in my backyard. Very satisfied :-) s.