While we're waiting for Monday, here are some subjects of spam emails I've received from Gmail's SMTP servers recently. Mentions of my domains replaced by example.com:

   Example.com SEO Issues
   Tough Times With Example.com? Needs Attention!!?
   Get ranked higher: Example.com
   Google optimization for Example.com
   Get ranked higher : example.com
   Website Audit Report to increase website traffic
   Example.com - audit report now available
   Give a glamorous new look to your website
   Web Design Proposal example.com
   Organic SEO Promotion For Example.com

So looks like all SEO and web-design advertising.