Gallery 1 (all versions) blacklist bug

Hello,
my gallery was reciving big amounts of spam comments. By checking some top 100 blacklists and by running a parser on my comments I've put together a list that cleared around 15000 comments easily. However after that it's not possible to add regular comments any more, no matter what words I write in the comment it is always rejected on suspicion of spam.

Is this a known issue? Is this fixed in 1.6* (or maybe 1.6 finally got captcha support or something?) BTW a few months ago I did try the alpha version and it was terrible it would eat up my whole ram and cpu so I gave up until at least a beta release.

At the moment I'm running gallery 1.5.7 and my blacklist is here http://phpfi.com/279836

And thank you, no, I don't need a SQL database to look at pictures ;)

Gallery version: 1.5.7
Apache version: 1.3, 2.* / Lighttpd 1.4.*
PHP version: PHP 4, 5.2
Graphics Toolkit: netpbm
Operating system: linux
Web browser/version (if applicable): ALL