: Often an IP from a known malicious range or a private network address that shouldn't be sending external mail.
: The answer is often the IPv4 address found in the first Received hop (e.g., 192.168.x.x ). mail access_4.txt
In this challenge, you are provided with a text file containing raw email logs. The objective is usually to identify the of a suspicious login or the spoofed sender of a phishing email. 1. Examine the Received Headers : Often an IP from a known malicious
The From field shows a legitimate-looking address (e.g., admin@company.com ). The objective is usually to identify the of
The most critical part of the file is the Received chain. These headers track the path the email took from the sender to the recipient.
: Scan for fields like from [IP ADDRESS] or (authenticated bits=0) . 2. Identify the Forged Sender