comparison matrix

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Review of Open Source Anti-Spam Software - ESVA Email Security Virtual Appliance (ESVA)

Are you looking for a 'Free (cost free) and Easy' antispam  or spam blocker solution for your organization that support multiple email domains?

Are your looking for a anti-spam solution can be deployed in your production environment for less than 20 min?

ESVA Email Security Virtual Appliance (ESVA) is a FOSS-based anti-spam solution  created by Andrew MacLachlan since year 2005. ESVA is a pre-built Virtual Appliance that runs on virtual machines. The latest version of ESVA can run on VMWare, run on Citrix XenServer, Microsoft Hyper-V and VMware platforms.

The development of the application has been stop for almost 2 long years to the day after the release of version 2058. I was so happy that current version 2060 is not available. To download the latest version please visit ESVA's GD official website. My site xenserver free

The major components of ESVA are:

CentOS - Robust Red Hat-cloned Operating System

MailScanner - Anti-spam package for e-mail gateway systems.

MailWatch- Web-based  admin page for MailScanner

Postfix -  Email System

SQLgrey - Greylisitng Filtering

Webmin - Web-based  admin page CentOS and Postfix admin

ClamAV - Open Source antivirus

Distributed Checksum Clearinghouses (DCC)  & Vipul's Razor - Bulk Spam Mail detection

Pyzor - Spam detecting network

SpamAssassin  - Well-known spam filtering package for header,  text analysis, Bayesian filtering, DNS blocklists and filtering database

FuzzyOCR - Content and properties of images Filtering based on fuzzy logic

MailGraph - Graphical Mail statistics tools

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Getting Started With Disaster Recovery

Disaster recovery is one of the most critical topics for most businesses, and one of the most overlooked topics. Properly planned disaster recovery solutions provide for business continuity in the event of natural or human-induced disasters, such as fire, theft, malfunction or terrorism. Planning for potentially devastating events now can help ensure your company's survival in the future. With a suitable and thorough disaster recovery plan, your business can prevent the loss of valuable data, configurations, time, and resources.

What does a typical disaster recovery plan include?

This can depend on the organization, but a typical plan includes documentation of policies and procedures related to data backups and storage, hardware and software redundancies and solutions, communications, Internet Service Providers, backup generators and alternative power sources, security systems, fire suppression equipment, along with possibly recommending co-location, hosted, and outsourced solutions and services.My site xenserver free

Who can provide guidance with disaster recovery planning?

Any established IT Company will be able to assist you in creating a viable plan. IT firms that specialize in your industry will typically be able to better provide detailed guidance and solutions for your business processes.

What can I do to lower my disaster recovery costs and prevent loss of critical data?

One of the first areas to look at is your data backup procedures. Regularly scheduled backups of data, applications, settings, and configurations, to a secure location, preferably off site, will help your business survive any disastrous event.

Another option to seriously consider is implementing a "Terminal" environment. The workstations themselves are typically less expensive to replace, and provide enhanced security benefits while the data is stored and backed up on servers. The two most popular solutions to achieve this are Citrix and Microsoft Terminal Services.

Properly securing, filing, and storing documents critical to your company is another area that should be addressed. With so many document imaging and management systems on the market, it's never been more cost effective than now. Not only will converting your paper documents to digital solve security and recovery complications, but it will also save you money in storage, maintenance, and productivity costs.

With the development of products such as Microsoft's Hyper-V and VMware, organizations can reduce operating costs, improve performance, and recover from critical failures significantly faster. Virtualization technologies may allow customers to implement recovery solutions that would otherwise be cost prohibitive in non-virtual environments.

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XenServer 7.3 What's New and what stays FREE? | Technology Comparisons and Reviews

XenServer 7.3 What's New and what stays FREE? XenServer 7.3 has been released and the WhatMatrix Virtualization comparison has been updated accordingly reflecting the latest technical enhancements.

XenServer 7.3 What's New and what stays FREE? XenServer 7.3 has been released and the WhatMatrix Virtualization comparison has been updated accordingly reflecting the latest technical enhancements.