ZeroPhish Knowledge Base

Whitelisting Guides

Phishing Simulation & Security Awareness

Step-by-step guides to configure your mail environment so that authorized ZeroPhish simulation emails reach your users as intended, instead of being filtered as spam.

Universal identifiers

Every guide relies on the same ZeroPhish simulation identifiers. Values may vary per engagement — confirm yours with whitelist@sabry.sa.

Simulation IP address
8.213.46.122
Custom header name
X-PHISHTEST
Custom header value
SABRY

Choose your mail environment

Select the platform your organization uses to open its whitelisting guide.

Available

On-Premises

Microsoft Exchange 2016 / 2019

Create two transport rules that bypass spam filtering for the ZeroPhish sending IP and the campaign header.

View guide

Available

Cloud

Microsoft 365 / Office 365

Allow-list the ZeroPhish IP, sender domains and campaign header across Microsoft 365 Defender and Exchange Online.

View guide

Coming soon

Email Security Gateway

Secure Email Gateway

Whitelisting steps for Mimecast, Proofpoint, Barracuda and other mail security gateways.

Coming soon

Coming soon

Cloud

Google Workspace

Allow-list ZeroPhish senders and IP addresses from the Google Admin console.

Coming soon

Simulations still being blocked?
Our team will walk through the whitelist configuration with you.

Contact support