Spam eMail Tactics Changing
Here's a bit of CMS' latest press release. Some strange things are happening in the spammer world...Companies See 1600% to 4000% Increase in Spam eMail Volumes
Senior support technicians at Computer Mail Services, Inc. (CMS) have recently been following a rise in a certain type of spam email attack called Reverse NDR (RNDR). The rise in RNDR email volume appears to coincide with spammers changing the methods and format of their search for valid email addresses.
Recently, CMS and their customers noticed larger than usual volumes of filtered RNDR mail containing randomly generated character strings as an address. Coinciding with the appearance random addressing is a massive increase in volume. In one instance, a CMS customer has noticed a day-to-day increase of 1600% in RNDR-type spam trapped by their CMS Praetor Messaging Firewall. CMS’ own corporate email servers have on several days seen RNDR-type spam volume increases of over 4000% percent.
READ THE ENTIRE RELEASE...
AAS
antispam spam email NDR RNDR Denial of Service
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