I have seen a major league increase in spam getting through Postini, and Office365 (EOP filtering). Tickets open with both, and both acknowledge it but won’t say what the root cause is, just that they are aware of it and working to remedy it.
From: Adm Sent: Monday, August 25, 2014 8:01 AM To: [email protected] Subject: Re: [Exchange] Spam Increase Anyone? On Thu, Aug 21, 2014 at 8:35 AM, Adm <[email protected]> wrote: Has anyone out there seen a major increase in the amount of spam getting through? I was just sent the following that describes the latest threat (see below). It is exactly what we are seeing. Anyone else seeing the same? We're seeing many of them blocked, but many also getting through. Anyone using Trend IMSVA and getting most of these blocked? If so, how did you configure your filter to stop it? Thx in advance Spam Blocking Date/Time: 19 Aug 2014 5:00:00 AM GMT-8 There is a hike of commercial spam mails received by our sources. Some mails promotes hairloss products, car purchase, grocery coupon/reward spam, weight-loss spam etc. These spam mails uses the following techniques to bypass the AntiSpam filter. It has inserted salad words concealed in microsize fonts. Random news articles at the bottom part of the email composed of a great amount of normal words/strings. Read more: http://about-threats.trendmicro.com/us/spam/3538/Large%20Spike%20In%20Commercial%20Spam%20Using%20Microsize%20Salad%20Words%20Discovered TMASE Engine: 7.5 TMASE Pattern: 0892 Analysis By: Mary Jen Sen Chua -- smsadm
