email filtering

Submitted by rflores on Thu, 02/12/2009 - 1:13pm.

Hello Teknoids,

 

We are currently running a barracuda 300 box to handle email
filtering, this works great.  We filter out all suspect email (around 70%
of all email) and only deliver filtered email so that our users do not have to
wade through the glut of spam.  Every once in a while (2-3 times a month)
there is a false positive.  A user calls us we can then check the logs
which go back 30 days and release any email that was falsely held up. 

 

Our central university IT is implementing a new spam
filtering policy that will filter all email at the border.  The
unfortunate part is that this email will be dropped immediately with no ability
to trace for false positives.  This will be a big step back for us and
will no doubt frustrate our users. 

 

The central university has agreed to modify our mx records
so that email is delivered directly to our servers.  We are looking at the
possibility of upgrading our barracuda box with redundancy to handle the
additional volume or using a third party service like Google Email Security
(Postini).  I was wondering what other schools are doing and what works
for them.   Your input is greatly appreciated.  Thank you.

 

Ray

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RE: email filtering
Submitted by Jamie Butler on Thu, 02/12/2009 - 1:13pm.

Hi Ray,

                We
are using an Exchange Front-End server for all spam and antivirus filtering. 
Messages get routed to the campus, hit a very loose set of rules, and then get
delivered to us.

 

                If
you have the Microsoft Campus Agreement, you can route email through their hygiene
services for free. 

 

Hope this helps.

 

Jamie Butler

Director of Information Technology

UC Davis School of Law

(530) 752-6012

jebutler@ucdavis.edu 

 

UC Davis School of Law - 40 Years of Excellence, Leadership, and
Community

 

From:
teknoids-bounces@ruckus.law.cornell.edu
[mailto:teknoids-bounces@ruckus.law.cornell.edu] On Behalf Of Raymond
Flores
Sent: Tuesday, February 03, 2009 9:26 AM
To: teknoids@ruckus.law.cornell.edu
Subject: [teknoids] email filtering

 

Hello
Teknoids,

 

We
are currently running a barracuda 300 box to handle email filtering, this works
great.  We filter out all suspect email (around 70% of all email) and only
deliver filtered email so that our users do not have to wade through the glut
of spam.  Every once in a while (2-3 times a month) there is a false
positive.  A user calls us we can then check the logs which go back 30
days and release any email that was falsely held up. 

 

Our
central university IT is implementing a new spam filtering policy that will
filter all email at the border.  The unfortunate part is that this email
will be dropped immediately with no ability to trace for false positives. 
This will be a big step back for us and will no doubt frustrate our
users. 

 

The
central university has agreed to modify our mx records so that email is
delivered directly to our servers.  We are looking at the possibility of
upgrading our barracuda box with redundancy to handle the additional volume or
using a third party service like Google Email Security (Postini).  I was
wondering what other schools are doing and what works for them. 
 Your input is greatly appreciated.  Thank you.

 

Ray

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