Sometimes sites can get spam attacks even through our stellar spam blockers. It's easy to get rid of spam all at once if the site has a bunch of spam posts together.
1. See Recent Posts link in the Admin Menu
2. One by one open up each spam post in a new browser window. - On a Mac, hold down the Apple key while you click on the post. - On a PC hold down the Cntrl key while you click on each post You'll now have a bunch of browser windows with each of the spams open.
3. Now you select delete for each post To quickly get to the next browser window to make this process quick, - On a Mac, Cntrl and the Page Down key get you to the next browser page - On a PC, the Cntrl and Tab buttons take you the next browser page
Quickly go through each page and click delete
All spam removed!