This KB article will walk you through how to create a filter rule for specific extensions and/or filenames and block them from end users. In addition, you may want to review these articles for a more ...
As of the release for May 2015, we no longer require individual or large filters for a safe or blocked sender. A new tab under Company Settings has been made named Sender Lists. An individual list exi...
Situation Emails being delivered to Office 365 are getting rejected do to SPF check. Office 365 is seeing the IP of Proofpoint Essentials as the sending server's IP. Solution 1. Disable SPF check on O...
Situation How do I verify my domain? You receive the error Verification Fail when trying to enable a domain. Solution See below for information on: Verifying by adding a DNS (TXT) record to the domai...
This article is to consolidate links to features available based on package level and how to configure them. Available features can be enabled under Company Settings > Features All packages: Spam Se...
Situation As a new customer you have created a domain and added users in Proofpoint and need to verify your domain and enable Relay. Solution New domains being enabled for email relay purposes will re...
Proofpoint Essentials now offers protection against impostor email threats (also known as spoofing), business email compromise or CEO fraud. Suspected imposter emails are identified as inbound message...
For customers who are using Office 365 or any other platform that will only accept CIDR format ranges of /24 185.132.180.0/24 185.132.181.0/24 185.132.182.0/24 185.132.183.0/24 185.183.28.0/24 185.183...
For customers who are using Office 365 or any other platform that will only accept CIDR format ranges of /24 148.163.128.0/24 148.163.129.0/24 148.163.130.0/24 148.163.131.0/24 148.163.132.0/24 148.16...
DKIM and DMARC Domain Keys Identified Mail, or DKIM, is a standard that prevents email senders and recipients from spam, spoofing, and phishing. This form of email authentication allows an organizat...