Our headquarter's email server auto-forward emails over to our email server & I have a concern: Can source (ie smtp.zzzbank.com.au & srvm02.zzzbank.com.au below) & the IP addresses be spoofed?
Received: from smtp.zzzbank.com.au (10.98.2.87) by ZZZWVEXC01ZZ.bbb.com.au (10.9.95.37) with zzzzz SMTP Server (TLS) id 24.3.271.0; Wed, 20 Jul 2016 17:07:22 +0800 Received: from pps.reinject (srvm02.zzzbank.com.au [127.0.0.1]) by srvz02.zzzbank.com.au (8.15.0.59/8.15.0.59) with ESMTPS id u6K97Jk3033821 Sun
