Is Keyword Checking case sensitive? Author: Luis Fernandes November 30, 2018 04:44 AnswerThe Keyword Checking in GFI MailEssentials is not case sensitive. An email will be blocked by Spam Keyword Checking whether a matching word is spelled in upper case or lower case. Example:"keyword" will match "KEYWORD" and "KeyWord" Related articles Keyword Checker detecting bad keywords within legitimate words Is it possible to schedule reports to be delivered via email in GFI MailEssentials?