Anti-virus/anti-spam gateway

Centralised and remote detection and management of spam and viruses passing through e-mail messaging


With the increase of means of communication and e-mail exchanges, unwanted messages, also called spam, and even threatening ones like all kinds of viruses are swamping the web and interfere with exchanges. Far from being harmless, these messages may compromise security and the integrity of individuals. Some messages, among the most dangerous, successfully imitate a trusted authority and result in the recipients opening file attachments presented as invoices or contracts. Once 'willingly' opened, these files contain malicious software that can, for example, encrypt the hard drive on which it has been downloaded and demand a price for unlocking it.

To address these threats, it is essential to have anti-virus and anti-spam gateways routing incoming e-mail traffic within the institution's domain name. Operating as an intermediate point between the Internet and the institution's own mail server, their regular updates, particularly in incorporating the latest security measures, play a vital role in ensuring some of the best protected e-mail.

Advanced anti-spam and anti-virus protection

To combat spam and viruses, the Restena Foundation offers professional anti-spam/anti-virus protection to stakeholders in research, education, culture, healthcare, and administration in Luxembourg, whether their messaging is hosted on RESTENA servers or not. For eligible institutions who operate their own e-mail server, the Restena Foundation also offers a complementary centralised anti-spam/anti-virus service. The gateway, on an e-mail relay server hosted by the Restena Foundation, filters incoming e-mails before transmitting them to the institution's internal e-mail server, thus ensuring that internal e-mail is protected. 

Thanks to the anti-spam and anti-virus filtering of messages for addresses within the institution's domain name, the service is an ideal solution for institutions operating their own e-mail server who are looking for advanced anti-spam and anti-virus protection.

Checking of incoming e-mails and attachments

All incoming e-mails and their attachments are checked on a server hosted by the Restena Foundation before reaching the institution's e-mail server, using:

  • spam and virus protection via different tests;
  • flagging of spam and viruses directly in the e-mail subject;
  • automatic virus definition updates;
  • free choice in how messages marked as spam and viruses are processed with the option of directly deleting them in the monitoring gateway before they are even uploaded to the e-mail inbox;
  • scanning of e-mail attachments with the automatic deletion of infected items.


Detection and neutralising of infected e-mails before uploading to the institution's e-mail server

Benefits from the latest cybersecurity knowledge base developed as part of the Restena Foundation's IT security operations

Personalised management, within the institution, of the processing of messages flagged as spam or viruses

Temporary storage of pending e-mails for a maximum period of 72 hours and a message volume of up to 10 gigabytes in the event of the target e-mail server being unavailable

Protection of the target server against malicious attacks

Permanent back-up and monitoring of the service architecture

More details on the service

Who can benefit?

Primary, Secondary and Post-Secondary Schools, Higher-Education Establishments, Research Institutes, Cultural Institutions

How to benefit

Any institution interested in the service should contact the Restena Foundation. The service is independent from the e-mail hosting service offered by the Restena Foundation.

The institution's e-mail server must, however, be permanently connected to the Internet with a fixed IP address and receive e-mails on an SMTP standard port (25). The SMTP port must be accessible to the Restena Foundation's IP range.

Some useful information

  • The gateway is compatible with all electronic messaging platforms that support an SMTP platform (TCP/25).
  • Every e-mail detected as spam contains, in its header, information stating that it is spam or, where applicable, that it contains a virus. Infected items are automatically deleted. These flagged messages are delivered to the target e-mail server and may be processed locally depending on the institution's preferences.

Assistance and support


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