Proofpoint particularities & workarounds (12)

List of various workarounds for issues pertaining to inbound or outbound mail flow with proofpoint

How to Bypass Proofpoint - "Relay Access Denied" on external forwards with a general bypass

Created by Abderrahim Ibnou el kadi, Modified on Thu, 5 Feb at 11:19 AM by Yves Lacombe
How to Bypass Proofpoint - "Relay Access Denied" on external forwards using ms-exchange-autoforward flag

Created by Yves Lacombe, Modified on Thu, 5 Feb at 11:18 AM by Yves Lacombe
How to Lock-Down Office 365 and Add an Exception For Forwards

Created by Yves Lacombe, Modified on Mon, 13 Jan, 2020 at 3:33 PM by Jason Carreiro
How to bypass proofpoint hardening rule for O365 calendar forwarding

Created by Yves Lacombe, Modified on Fri, 6 Mar, 2020 at 4:56 PM by Yves Lacombe
Allowing Voicemail Messages from Microsoft Teams

Created by Jason Carreiro, Modified on Thu, 3 Jul, 2025 at 3:23 PM by Yves Lacombe
How to bypass O365 hardening for Teams invitation forwards

Created by Yves Lacombe, Modified on Tue, 22 Dec, 2020 at 10:19 AM by Yves Lacombe
Unauthorized IPs on forwards after implementing O365 lock down rule

Created by Yves Lacombe, Modified on Thu, 28 Oct, 2021 at 12:24 PM by Yves Lacombe
Bypass Proofpoint for certain destinations

Created by Yves Lacombe, Modified on Fri, 12 Jan, 2024 at 2:55 PM by Yves Lacombe
New clients on proofpoint with office365 and existing third party archiving solutions

Created by Yves Lacombe, Modified on Mon, 9 May, 2022 at 1:42 PM by Yves Lacombe
Bypass proofpoint for certain senders

Created by Yves Lacombe, Modified on Thu, 25 Jan, 2024 at 12:21 PM by Yves Lacombe