If the issue persists with mail scanning disabled then the cause is unrelated to MailEssentials and troubleshooting should continue by checking other external components affecting the mail flow. \GFI\MailEssentials\EmailSecurity\DebugLogs\Html Script Removal.gfi_log.txtīefore proceeding, it is advisable to confirm that the root cause is MailEssentials by temporarily disabling scanning emails as described here: Enabling or Disabling GFI MailEssentials Processing. You can obtain more details on the removed scripts by enabling tracing and examining the debug log file for the HTML Sanitizer found in the location below. When the HTML Sanitizer module acts upon an email to remove malicious scripts and tags, the Dashboard logs would not show this information but the actions taken will always be logged in the debug logs. The procedure described is applicable to the various forms of email encryption such as Office 365 Encrypted (Secure) Messages or Cisco Secured Emails (Registered Envelope Service, also called SecureDoc).
This article describes a solution to this problem that is caused by the HTML Sanitizer or the Email Exploit Engine scrubbing the encrypted attachments for malicious tags. Received encrypted emails have their links, images, or scripts removed even though the UI logs show the message was processed as. If the sender is delivering email to the MailEssentials server using Forefront antispam protection add the IP ranges in the below article to the IP Exclusions list in the Greylist filter.Recipients of Office 365 Encrypted Emails will sometimes receive HTML attachments having broken links or HTML scripts removed from the encrypted attachment thereby making them unable to access the encrypted emails.
The urls currently listed an updated list visit the following site. AnswerPlease add the below sites to the Email Exclusion tab in the Greylist anti spam filter.This will only allow Office365 mails to bypass the Greylist filter.The messages will still pass through all other antispam filters.
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