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Email Spam Protection

We keep email borne threats and viruses out of your inbox with industry leading anti-virus

In the early days of email, spam was just annoying. Now, it’s dangerous for both inbound and outbound email message. Email is now the most common entry point for network threats like malware, phishing attacks and ransomware. Lost productivity from checking and deleting spam and the expense of calling in the IT department to fix and recover lost data costs over $20 billion a year.

Thexyz Solution to Inbound Spam

Our email anti-virus software will help improve your business internet security by blocking known threats before they enter your companies domain email. Unlike other email programs that usually use one vendor to help fight spam, our email system utilizes a multi-layer email spam filter from 4 channel partners to help block unwanted messages from reaching your inbox. Personalized spam is becoming a larger problem as cyber criminals send spam and phishing emails with increasingly greater sophistication. A simple spam blocker is no longer sufficient to stop the spam of current email traffic. This is why you need an advanced, 4 layer, machine learning solution to filter incoming email with accuracy that keeps getting better without needing software installed.

We combined the best of our threat scanning capabilities with industry leaders in anti spam and virus protection for our hosted service. Before a message enters your mailbox, it undergoes four independent, threat blocking scans to identify spam.

Each inbound email passes 4 scans

The strongest threat detection structure in the industry.

Gateway - Spam Scan #1

Threats blocked by Gateway.


Our team of email experts add the Gatekeeper scan to our advanced spam filters to evaluate a message’s compliance with rigorous, internationally recognized technical standards. Incoming messages to our mail servers are also checked against aggregated blacklists of known spam offenders to ensure only legitimate emails make it into the inbox.

Cloudmark - Spam Scan #2

Threats blocked by Cloudmark.


Advanced Message Fingerprinting from Cloudmark is strong enough to annihilate spam and accurately identify virus attacks from a suspicious email . Plus, we added CommTouch’s thorough spam filters, featuring Recurrent Pattern Detection (RPD) technology.

Message Sniffer - Spam Scan #3

Threats blocked by Message Sniffer.


Our team of email experts developed the Gatekeeper scan to evaluate a message’s compliance with rigorous, internationally recognized technical standards. Messages are also checked against aggregated blacklists of known spam offenders to filter junk email and minimize false positives. This ensures email continuity through a learning behavior of spam detection.

Clam AV - Spam Scan #4

Threats blocked by Message Sniffer.


Incorporating all three-layer virus scans on all incoming messages, Clam AV targets deceptive measures senders use to mask viruses, compares the message against known virus definitions, and evaluates attachments for possible viruses. Maintaining this comprehensive level of threat protection could cost you thousands of dollars a month to maintain. As a Thexyz customer, this spam filtering service is free with every mailbox you add to ensure highest levels of email security.

Questions about Spam?

Thexyz Support is available to help you manage your spam settings, diagnose bounce messages and block senders of malicious emails. We also have some anwsers to some common questions about spam.

If you are an email administrator and looking to protect your organization from email based threats, we have more resouces and helpful articles on managing block lists and protecting email accounts on your domain from real time threats with cloud based spam filtering solutions. You can manage rules for a domain in the email admin portal or browse article describing the use of our spam filtering system here.

Yes. You can block both email address and IP addresses from being able to email you. You can also block a whole domain from being able to email you if you wish. You can learn more here.

All mailboxes with Thexyz have hosted spam proection and recipient verification already. If you are using Office 365 or G Suite and will to increase protection from viruses and spam, we offer a solution from SolarWinds, that can be added to any externally hosted mail service as a cloud based anti-spam solution.

Yes, you can check your spam folder in your email client of choice or within Webmail. By enablibing DMARC on your domain, it is also possible to receive a quarantine report.

Whilst we strongly recommend not turning off spam filtering, you can however turn the spam filtering solution off at your own risk.

Users have access spam reporting when logged into Webmail. Here is a guide on how to Report Spam in Webmail. If this related to a domain within our environment and you do not use, Thexyz for email, you can report the spam mail via our report abuse tool.

Yes. All of our email domains have DKIM and SPF enabled by default. If you are using our email servers with your own domain, DKIM and SPF can be enabled by making DNS changes to your domain DNS. There is a guide to enabled DKIM and sender policy frameworks in our help center.

We allow our users to block from senders they don't trust. We also block all traffic from ips found on the following ip reputation sites:

Content filtering combines many techniques to analyze email structure and content, and creates key indicators that identify patterns in email. These indicators are combined with industry-wide feedback from email providers across the internet about reported spam, email phishing, and viruses. The end result is an accurate, adaptive, and evolving content filtering system that is highly effective at blocking spam.

Email administrators can upload an csv file of email address, domain names or IP addresses to blacklist/safelist in the control panel. This feature is only available with email hosting on your own domain.

Yes. Thexyz Email will scan the contents of archived ZIP files with the .zip extension.

Stricter and more sophisticated spam filters flag more email as spam than ever before. To ensure that the emails that you send through our hosted mail system reach their destination, we recommend following these best practices:

1. Learn about DKIM and enable DKIM authentication on your domain.
2. Setup an SPF record via your domain DNS.
3. Read our post on the Best practices for sending emails.

Enable our multi-layer spam email filtering service

Your organizations cloud based email will be protected against as advanced threats as we are constantly updating our firewalls and blacklists to provide secure email to all our users.

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