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Articles

  • Why are emails failing?

    Overview You are receiving email notifications that there are a number of emails that failed to be processed by GFI MailEssentials. Navigating to the stated folder directory you notice that there are ...

  • MailEssentials is not scanning emails

    Overview GFI MailEssentials is not scanning any email messages, and the Dashboard logs are empty. Furthermore, emails blocked by users with their personal blocklists still reach their inboxes. Solutio...

  • MailEssentials is not processing emails and emails go to FailedMails folder

    Overview MailEssentials is not processing emails, with the Dashboard Log showing OK as the scan result. Various emails are found in the GFI FailedMails folders. They get delivered once they are reproc...

  • How to stop NDR Spam?

    Overview Your users are receiving a large number of NDR spam messages. These appear as email bounce backs for messages they never sent. Solution To fix the issue, please follow the steps mentioned bel...

  • Language Syntax for Regex Validation

    Overview Customers creating regular expressions (Regex) such as when adding Advanced Content Filtering Rules will sometimes need to know which language syntax MailEssentials expects for validating the...

  • Why does a digitally signed message become invalid when scanned by GFI MailEssentials?

    AnswerIf a message carrying a digital signature is modified when scanned by GFI MailEssentials, the signature and the checksum becomes invalid in the following instances: A disclaimer is added when an...