Read RFC 5321 for SMTP. What does MTA stand for? Consider the following received spam email (modified from a real spam email). Assuming only the originator of this spam email is malacious and all other hosts are honest, identify the malacious host that has generated this spam email.
From - Fri Nov 07 13:41:30 2008
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From: "Jonny"
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Subject: How to secure your savings