We just installed a Barracuda last week too. (Have MailMarshal continuing to run as a second layer, but it was NOT good enough by itself). We have about 75 users and are blocking over 14,000 emails a day, with only a little over 1,400 legitimate ones being let through. I am also amazed at how many hits it is receiving. Must have been emails out there probing our exchange servers all along...and never knew it? ________________________________ From: Rich Gallo [mailto:RGallo@xxxxxxxxxxxxxxxxx] Sent: Thursday, January 05, 2006 11:40 AM To: [ExchangeList] Subject: [exchangelist] Some Advice Please Sensitivity: Private http://www.MSExchange.org/ We recently got a Barracuda Box (which is great by the way), and are using it as our SMTP smart host relay for incoming and outgoing mail from and to the outside world, respectively. We are getting hit with a HUGE amount of messages that are just empty (no TO:, no SUBJECT:, no FROM:, nothing) To give you an idea of just how many we are getting, we have 250 users and since I set up the new spam box last night (15 hours ago), we have received over 80,000 messages! Most of which were blocked... My question is - Is this some sort of continued attack our domain is under? If so, what steps can I take to help fix, or slow down, this problem? ANY Advice at all would be greatly appreciated as this stuff is killing us!!! ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp ------------------------------------------------------ Visit TechGenix.com for more information about our other sites: http://www.techgenix.com ------------------------------------------------------ You are currently subscribed to this MSExchange.org Discussion List as: deea@xxxxxxxx To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Report abuse to info@xxxxxxxxxxxxxx -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.1.371 / Virus Database: 267.14.13/221 - Release Date: 1/4/2006 ##################################################################################### Only the individual sender is responsible for the content of the message, and the message does not necessarily reflect the position or policy of the Texas State Teachers Association or its affiliates.