- Lab
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Libraries: If you want this lab, consider one of these libraries.
- Security
Monitoring and Detection: Email Analysis and SMTP Logs
In this lab, you'll practice email and SMTP log analysis. After completing it, you'll be able to investigate suspected spam or phishing, determine its validity as well as the principles and configurations behind SMTP open relays.
Lab Info
Table of Contents
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Challenge
Getting Started in the Lab Environment
Here are the initial instructions and explanation of the lab environment. Read this while your environment is busy creating itself from nothing. Yes, this violates physics; we know. How fun!
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Challenge
Identifying Email Provenance
Let's check where an email is from. Does it seem to be legit? Is it coming from a source that is authorized to email on behalf of this domain?
We'll find out!
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Challenge
Verifying Email Legitimacy Using DKIM
The finance team has sent money to a vendor, who claims not to have received it. The finance team had received an email asking for funds to be deposited to a new bank account.
Can we prove it really came from that vendor?
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Challenge
Investigating SMTP relays
Someone has reported to your team that your email server is being abused as a relay for spam. We will investigate server logs and configuration to determine if that is the case.
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Challenge
The Last Challenge
Welcome to the final challenge! This is your last chance to experiment in the environment. Clicking Finish Lab will end this little world that flittered into existence just for you.
Real skill practice before real-world application
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Learn by doing
Engage hands-on with the tools and technologies you’re learning. You pick the skill, we provide the credentials and environment.
Follow your guide
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Turn time into mastery
On average, you retain 75% more of your learning if you take time to practice. Hands-on labs set you up for success to make those skills stick.