Your network administrator can not restore this attachment. The WatchGuard Firebox which protects your network detected a message which may not be safe.Ĭause : The message format may not be safe. When an email with a blocked attachment reaches a recipient it has one of these errors in it:Ĭontent-Type: text/plain charset="iso-8859-1"Ĭontent-Transfer-Encoding: quoted-printable The strange part is that when someone other than the automated task sends the attachment, it arrives okay. I'm literally allowing every type of attachment to come in through the Firebox (I know this is unsafe, but I'm trying to eliminate anything that could be causing this). I suggest you disable remote HTTPs remote admin entirely, because with single factor auth. I've tripple checked my SMTP rules and made sure nothing is being blocked. The only way to control access to the WEBUI while not restricting block pages is to use the restrict administration subnet box in config -> administration. Most of the time they are just plain text, but sometimes. It’s also a popular attack vector among threat actors trying to steal credentials, obtain sensitive data or hold it for ransom, or steal funds by gaining access to banking information. We have several clients that send us automated emails throughout the week, and these seem to be the attachments that are getting blocked. Email is a critical tool for everyday business communication and productivity. Refer to the UNTANGLE INC EULA - Attachment I within the pricelist for the terms of this. Recently our Firebox has started blocking attachments randomly. grade open source solution for blocking spam, spyware, viruses.
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