The CudaMail MX Record Backup Service is designed for companies with an existing Barracuda Spam Firewall OR for companies who need backup mailbagging service if their mail server goes down.

When your primary MX record fails the sending mail server will attempt to send the mail to your secondary MX record. If your secondary MX record is the same as your primary MX record, no email will flow through to your mail server.

If you currently have a Barracuda Spam Firewall in place...

If you set your secondary MX records to point to the CudaMail servers, and your own Barracuda Spam Firewall fails, ours will continue to deliver cleaned email to your organization. This redundancy will help to ensure the continuation of your spam-blocking service.  In addition, we have a Geographically Redundant filter across the city for extra protection and continued service.  That makes your protection "doubly redundant".

Download the Barracuda Networks "Using MX Records and Spam Firewalls" whitepaper. It defines MX records and provides information about effectively using them in conjunction with a spam firewall, such as the Barracuda Spam Firewall.
[Download MX Records Whitepaper - PDF 136 KB]

Download the Barracuda Networks "Barracuda Spam Firewall for Email Redundancy" whitepaper. It describes how to use a Barracuda Spam Firewall to obtain a level of redundancy and high reliability for your email system - without the complexity of setting up redundant email servers.
[Download Redundancy Whitepaper - PDF 121 KB]

If you need a mailbagging service for your mail server...

If your mail server goes down, and your secondary MX records are pointing at CudaMail, our mailbagging service holds all email directed at your failed mail server.

This service is provided for up to 48 hours - enough time for you to get your mail server back up and running. At that point, we will deliver all mailbagged email to your mail server. This redundancy will help to ensure that critical emails are not lost, and are delivered to the right destination.

As you know, spammers are crafty and often direct mail toward MX2 intentionally to avoid the primary spam filter you might have in place. The CudaMail Backup Service will help thwart those attempts, reducing the amount of spam reaching your mail server through MX2.
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