Situation You want to use TLS to ensure secure mail transport for your outbound mail. Solution This describes TLS behavior from a Proofpoint Sender and Recipient point of view, and explains the second...
Situation You want to create a filter rule for specific extensions and/or filenames and block them from end users. Solution Follow the below steps to create a new Inbound or Outbound filter to filter ...
Situation Email are bounced due to Cloudmark Sender Intelligence IP blocklisting, and you receive a SMTP error 550 Service unavailable Solution Raise a ticket with Proofpoint Cloudmark Sender Intellig...
Situation You need to add, verify, or enable relay domains to improve email flow. For example, inbound mail is not flowing due to a disabled domain relay. Solution See steps below for how to add, veri...
Situation You want to set-up Proofpoint Essentials with Google Workspace (Gsuite) service. Solution Outline to setting up Google Workspace (Gsuite) in conjunction with Proofpoint Essentials. See below...
Situation You are a new admin and there are many customers under your supervision. You are a re-seller and your Organization Administrators want to know what is the best way to manage their company do...
Situation How long does it take domain changes to take affect? When will a new email address added be able to send and receive emails? When do custom filters and sender list start allowing/blocking? S...
Situation There has been an increase of cases where hackers are spoofing the email header of CEO's, Executives, VP's, etc of our customers companies. End users believe that that the email is coming fr...
Situation You want to prevent malicious actors from sending spoofed messages. Solution See below for information on: What are DMARC, DKIM, and SPF? How do I enable inbound anti-spoofing policies? Wh...
Situation You want to sync OnPrem Active Directory accounts to Proofpoint Essentials. Solution Enable Active Directory Sync according to instructions below, and additional information such as: Configu...