Redmond Magazine's panel of experts named GFI MailEssentials as the winner of the anti-spam category in the publication’s annual Editors' Choice Awards 2005. Judge Dave Tschanz singled out GFI MailEssentials for medium- to large-sized networks and praised the Bayesian filtering system, saying that it "works particularly well". He was also impressed with GFI's customer service and described the website as "exceptional" as well as being "easy to use" and containing "extraordinarily useful information".

More info can be found at http://redmondmag.com/features/article.asp?EditorialsID=523.