This is my PM response:
<p style="color:rgb(40,40,40);font-family:helvetica, arial, sans-serif;">Hi Ed,
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<p style="color:rgb(40,40,40);font-family:helvetica, arial, sans-serif;">This is extremely common, and even desirable. The bots crawl our pages to make sure we are still on-line and will drive searches to our site. It has been this way forever, so there is no chance that your new spam is being caused by this site.
<p style="color:rgb(40,40,40);font-family:helvetica, arial, sans-serif;">
<p style="color:rgb(40,40,40);font-family:helvetica, arial, sans-serif;">We keep very high walls around membership and posting data. 968.net was plagued with spam and bots, and we made decisions early on that would never allow such incursions. It has worked for us for nearly 2 decades.
<p style="color:rgb(40,40,40);font-family:helvetica, arial, sans-serif;">
<p style="color:rgb(40,40,40);font-family:helvetica, arial, sans-serif;">Jay