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Cisco security

Hi everyone

For Complete email security, what cisco equipment(Software/Hardware) do i need to consider? (Anti-spam, Anti-virus, Anti spoofing, Anti-phishing, Attachment anti-spyware, denial of service protection, encryption, data loss prevention)
we are running MS exchange 2007 SP1 with 500mailboxes.

We are running a review on our datacenter supporting 300 users, spread across 60 remote location. We have cisco 1941 router doing everything(Security, firewall, routing, site to site VPN) and now we are planing to place Cisco ASA 5512 firewall to seperate security.
For email security, we use third party services which we are willing to remove.

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2 Solutions
You should have a look at the Cisco C370 Email Security Appliance.  It supports up to 1,000 users.  

Link:  http://www.cisco.com/en/US/products/ps10795/index.html
Mohammed KhawajaManager - Infrastructure:  Information TechnologyCommented:
No matter what software/hardware solution you use, there will be administration required and it only gets worse over time.  Myself and colleagues have used GFI Mail Essentials, Mail Security, Barracuda, etc. and we have found out that the best thing to do is outsource it.  We have outsourced our SPAM/AV to Fusemail.com for a very reasonable price where they provide the following:

1. SMTP server which our Exchange relays to
2. Daily quarantine summary
3. Users able to blacklist and whitelist addresses as well as domains
4. Web based access to email sent and received (compliance) as well as ability to leverage their web mail systems in an event where our Exchange is not available
exorcist84Author Commented:
Thanks for the advise.
mnkhawaja - How would be the day to day duties as part of administration?
activematx - Is there any addition software/hardware we will need as i am getting quotes?
No the C### series are all built into the appliance.  It goes behind your firewall and the filtering is all done from the unit.  You shouldn't need to purchase any other software or hardware as the appliance comes with a GUI built into.
Mohammed KhawajaManager - Infrastructure:  Information TechnologyCommented:
Administration is almost none due to following reasons:

1. Exchange GAL is synced with ElectricMail every 4 hours which means that users added and deleted will be synchronized automatically
2. Every time a mailbox is added, default SPAM rules for the domain is added
3. USers get quarantine summary every day with listing of emails marked as SPAM in the last 24 hours.  Users see SPAM score, can preview the message and if desired, can whitelist the sender
4. Only time administrator intervention is required is if user needs to logon to their Fusemail mailbox.  Administrators have to go and set a password for the mailbox, flag the option to reset password on next logon and convey the password to user
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