Why you need to create a catch-all rule in Gmail | Google Workspace Admin | Email Routing
📣 If you want to get more #Google Workspace #admin training and insights on how to better manage your #Gmail service for your users, check out this course on Udemy, Google Workspace (G Suite) Admin - The Complete Course: https://www.salehram.com/gws-admin-tr...
#Google_Workspace has a lot of services and features that will help you get to the optimal #security and #compliance level that you want and need! Many of these security features and controls are found in the Gmail settings and configurations, as well as Google Drive.
In Gmail you get #Compliance rules, #anti-spam rules, content #compliance, and #anti-spoofing controls as well.
As a good practice in many cases, you can also utilize the email #routing rules to create a #catch-all email rule or address.
The purpose of catch-all rules is to help you achieve these goals:
1. Ensure no email sent to your domain is lost when the senders miss-spell the recipient email address.
2. Ensure that no #NDR reports are sent from your domain.
There are cases when you want to prevent these NDRs from being sent out from your domain such as when you want to prevent and mitigate a #backscatter or reverse NDR attack.
🟨 A backscatter #attack can happen when the attackers #spoof a working email address in your domain and use it to send emails to either non-existent destinations or other destinations either internally or externally. When the destination email server receives the email and becomes unable to deliver it, it sends back NDR to the sender who thinks it sent this email - in this case the server will think the sender of this email is the spoofed email that was initially used by the attackers.
Once the NDR reaches the innocent unaware victim who got his email spoofed, he or she most likely will open the attached original message with the NDR, thus achieving the goal of the attackers.
🟨 In this video I show you how you can create a catch-all rule using 2 methods in Google Workspace. The first one uses the default routing that you can find in Gmail settings, and the other one you can use from the Gmail routing settings and page where you can have more control over the settings that you want to create.
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🔴🔴 Please don’t forget to like the video and subscribe as well! 🔴🔴
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✅ Video timeline:
00:00 - Introduction
01:11 - What is a catch-all email?
02:12 - Why you need to create a catch-all rule in Gmail
02:38 - What is the backscatter or reverse NDR attack?
04:59 - How to create a catch-all email and rule in Google Workspace Gmail
11:34 - Closing
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✅ Links mentioned in the video:
What is a Reverse NDR Attack: https://xeams.com/what-is-a-reverse-n...
Email filtering: https://en.wikipedia.org/wiki/Email_f...
Backscatter (email): https://en.wikipedia.org/wiki/Backsca...)
Backscatter Phishing Email Attacks: https://immutableinc.io/backscatter-p...
Backscatter Spam Attack Used to Deliver Bitcoin Extortion Messages to Eastern Europe: https://www.bitdefender.com/blog/hotf...
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✅ Other useful links:
Follow me on Twitter: / salehram87
Connect with me on LinkedIn: / salehram
Check my website and blog: https://www.salehram.com
Check out my Google Workspace Admin Course on Udemy and get it with a discounted price: https://www.salehram.com/gws-admin-tr...
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✅ Interesting channels to follow and subscribe:
Google Workspace - / googleworkspace
Google Cloud Tech - / googlecloudplatform
Google Cloud - / @googlecloud
Learn GCP with Mahesh - / learngcpwithmahesh
Saperis - Hands-on tutorials for Google Workspace apps - / saperis
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