Events sometimes get whitelisted for account creation purposes: https://noc.wikimedia.org/conf/throttle.php.txt The exceptions there there could be made to set $wgCaptchaWhitelistIP too.
On Fri, Jun 19, 2015 at 8:54 AM, WereSpielChequers werespielchequers@gmail.com wrote:
alternatively perhaps we could whitelist certain domains as likely to be reliable sources and unlikely to be spam.
There actually already is a whitelist ($wgCaptchaWhitelist in https://noc.wikimedia.org/conf/CommonSettings.php.txt). Unfortunately, as far as I know, there's no on-wiki way to change it, but you could always compile a list of domains and submit it through Phabricator.