Anyone know how to keep spammers out of a guestbook!

Hi, I'm looking for a way to keep the spammers from loading my guestbook
with their weblinks!

I've seen the "nofollow" parameter. It seems like a way to keep the
spammer from benefiting from the spam, but not to keep them out of my
guestbook.

I've seen the robots.txt thing. I have that in my site, but again I don't
think that a spammer will give a darn about it, he's going to do what he
wants anyway.

I'd like a way to simply reject message input that has links in it. Since
the spam is basically all links, it should stop if I just reject messages
with links.

How might I do this without monitoring every message, I want to do it with
code, not with constant monitoring.

Any other ideas??

Thanks,

larry.k


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"These improvements might be better, and the water might be wetter;
this hole will answer as a well, even if water is not to be found
this side of hell." Quote from a Dakota homesteader, 1890s


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