Help - I have a client that until later this year still is using SBS 2011 with exchange server 2010.
All have been fine , but for the last couple months he is getting email from 3 of our domains email accounts : His Paul, Info , and one other. Our Office gal has all 3 of these in her outlook 2016 mail , so I am sure it started with Her Desk.
I have tryed all I know ( Little as that is with Exchange ) so please help.
Here is a Header of one of the emails " sent to Paul, and from Paul"
Requesting XXX of bitcoin to unhack our sonicwall router :
Received: from 178235178178.unknown.vectranet.pl (178.235.178.178) by
remote.OurDomain.com (192.168.16.5) with Microsoft SMTP Server id
14.3.435.0; Sun, 27 Jan 2019 08:56:53 -0800
Date: Sun, 27 Jan 2019 17:23:56 +0000
From: <paul@OurDomain.com
X-Priority: 3
Message-ID: <293358294.201901271756@OurDomain.com
To:...<<