He is not the one sending emails out of the blue asking you to contact him. The scammers used this approach for money transfer scams, usually next of kin scams.
Unsolicited email received:
Greetings from here.
My name is Matthew Koder. I want to know if this email address is still valid to write to you. There is something important I would like to discuss with you.
Thank you
Dr. Matthew Koder
Header:
Return-Path: <burtjoshua400@gmail.com>
From: Burt Joshua <dr.mattkoder@gmail.com>
Date: Thu, 16 Sep 2021 02:40:39 -0700
Message-ID: <CACZ48NcrWyuEO9Eu1JHY3-aJ6sgTJTtoca9GOSzGdKmFeSaGcw@mail.gmail.com>
Subject: Very Urgent
To: undisclosed-recipients:;