Email security software increases productivity and reduces risk of exposure to harmful email content for your users.

Ensure your organisation has a leading edge cloud based email security solution in place to maintain confidentiality by reducing the chance of erroneous emails threatening your internal IT systems and your users.

AIT Ltd can deliver leading edge cloud based email security protection. This is done by using a large number of cloud based data centres. These highly secure data centres reduce the risks of your organisation of being susceptible to email based attacks.

This protection can increase productivity and reduce the risks of staff or students of being exposed to malicious email attacks.

Email security designed for you!

Not all organisations are the same, and neither should the email security software you purchase. We have two key versions of our email security software, one is aimed at business environments, and the second email security product we offer is aimed at educational establishments. These two products give you the full security protection you would expect, but with specially designed features that suit their specific environments.

Email Security Software
We provide a comprehensive and 100% secure email security service for all education and business users. Our leading cloud based email security service provides protection for your entire organisation and your email users. Our cloud based email security software ensures your internal IT network is not disrupted from email based threats. We can supply businesses and education environments with cloud based email filtering and email archiving.
Manufactured by: iCritical
Model: MailCritical


Increased email security

Filtering emails before they reach your users will reduce security risks. Virus engines are constantly updated to ensure 100% coverage against live and emerging threats

Fully managed solution

Along with being cloud based our web security service is a fully managed solution that allows organisations to focus their resources on business critical operations

Increased employee productivity

By removing large amounts of unwanted email getting to inboxes you will increase productivity. Time wasted filtering and deleting unwanted emails will be removed

Multi-level filtering

Highly effective filtering modules remove malicious email, viruses and malware away from your network. Only allowing approved and safe emails to pass through our security filters


Feature rich management control

You can create and amend policies quickly and easily. There is a web based management console for instant access. View email logs including rejected mail and get SMS alerts for flow of email, amongst many other features

Advanced security features

Our email security software contains a number of leading features such as anti-spoofing, header removal and mutliple anti-virus/spam/phishing engines providing unrivalled protection

Complete email control

There are a host of email control features such as per user attachment blocks/keyword filtering/image filtering. You can add, amend and delete domains. You also have access to a mail forwarding and user auditing tool with customisable notifications to sender, recipient and admin for policy and viral emails

Full support and service

Our email security service provides 24 / 7 / 365 UK based telephone support. There are no hidden fees, and contracts are for the term agreed with an easy cancellation policy. We can agree SLAs to guarantee your business email security
  • Before using iCritical, I was inundated with complaints from users about the amount of spam in their inboxes first thing on a morning. Now, not only am I able to be more productive but so are the users, who no longer have to worry about spending time deleting unwanted mail and no longer have to ring me with their problems
    ICT Manager, Burmatex Limited

What is next?

Why not take a no committment trial of our email security software. It is a fully working version that allows you to experience the full benefits of our leading email security software before deciding to buy. Take a trial today.