Spam Filtering Service to Stop Junk Email

Stop Spam and Viruses before they reach your in-box for as little as $9.95 monthly.

Hosted Anti Spam Filtering service immediately reduces spam, viruses, and denial of services attacks targeted to the inbox of users in your domain. Easy to setup and use.

  • Enterprise Virus and Spam Protection

  • Dramatically Reduce In-Box Spam

  • Protect any Domain Name

  • Works with any mail server including Microsoft Exchange

  • Activated by changing DNS MX Record

  • TLS Encryption Options for all Messages

Buy Spam Filtering


Spam Filter 20

  • Spam Filtering for 1 Domain
  • Up to 20 email addresses

Spam Filter 50

  • Spam Filtering for 1 Domain
  • Up to 50 email addresses

Spam Filter 100

  • Spam Filtering for 1 Domain
  • Up to 100 email addresses


WHOIS Domain Privacy

Email Protection

Automatically block the most current anti-spam, anti-malware, anti-virus, and anti-phishing attempts.

Easy Setup

Works with any email server.  One simple DNS MX record update to start blocking spam and viruses.

Domain Transfer Lock

Email Queuing

If your mail server or network is down temporarily our service will queue your email for up to 48 hours.

Domain Forwarding

Email Encryption

TLS encryption options for all messages. TLS support can be required for your domain if you choose.

Domain Renewal

Whitelisting & Blocking

Each user can whitelist or block mail servers by IP, and whitelist or block senders by email address or domain.

Free DNS Service

Domain Administrator Add-on

Manage domain level spam score thresholds and quarantine levels for your entire organization.


Understand the Threat

Spam, malicious email and virus attacks are becoming ever more sophisticated. Your corporate email is a gateway that can allow sensitive information to be destroyed or lost as well as for attacks that can hurt your network performance and employee productivity.

Comprehensive Virus Protection

The InfoQuest hosted Antispam Firewall service scans email and incoming files using three layers of powerful virus scanning technology. The firewall connects to the Barracuda Security Cloud to for the most up-to-date protection against the latest email-borne threats.

Proven Spam Protection

Barracuda is the industry leader in spam protection for businesses. The InfoQuest Hosted Antispam Firewall services leverages Barracuda Central to identify email from known spammers and determine whether domains embedded within emails lead to known spam or malware sites.

Stop Threats Before They Hit Your Network

Offload CPU-intensive tasks to the cloud, like antivirus filtering, to reduce processing and ensure threats never reach your network perimeter. The InfoQuest Hosted Antispam Firewall service is integrated with a cloud-based service that pre-filters email before delivery to your network.


This is a service that receives your incoming email and blocks any spam or viruses it finds and forwards the rest of the email to your mail server.

InfoQuest uses a cluster of Barracuda Spam Firewalls to block spam and viruses and keep customers and our email spam free. When you use Barracuda Spam Firewalls as a hosted service, you benefit of our ability to easily replace or update Barracuda Spam Firewalls if they age or encounter problems.

Spam Filtering Support

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