Total email security that filters spam, viruses, phishing attacks and more.
Icon-based scoring indicators clearly communicate various levels of safety.
Quickly see why an email was held and determine if the sender is trustworthy.
Powerful policy enforcement
Build and customize rules manually, from templates, or through regular expressions.
Good mail in, bad mail out
CloudFilter stops the junk and lets the good email through. Messages containing offensive, harmful, or policy violating content are held for user review, while good messages continue on their way. CloudFilter helps keeps users safe and gives you confidence that you’re email infrastructure is shielded from harm.
Fully loaded message review
Many Microsoft 365 users report that they receive a high amount of spam on a regular basis. And even worse, they don’t always know where their filtered messages go. Big problems can result from false-positive handling when a good message Microsoft 365 thinks is spam goes missing.
Get more accurate filtering
CloudFilter handles messages more intelligently so there are less false-positives. When questionable messages are held, CloudFilter users get a notification that lets them preview, deliver the message, and whitelist the sender, so potentially important messages are no longer buried.
Improve quarantine visibility
CloudFilter gives a big upgrade to standard Microsoft 365 spam filtering, giving every user detailed visibility into what messages were held with insightful analytics and filtering statistics. Now it’s possible for Microsoft 365 users to see easy to read and understand details about the security of a message, so they can be 100% sure it’s safe to release to their inbox.
Fully loaded message review
Customizable notification schedule
Users get message review notifications at the interval that works for them. Whether they want them every hour, never, or anything in between… the choice is theirs.
Preview content in a safe environment
CloudFilter lets users preview the HTML content of a message (images optional) so they can determine whether or not it’s a message they wish to receive in their inbox without risking a malware infection or phishing attack.
Clear explanations of scoring
Each message has an analytics section which shows data related to the reasons a message was held, where it came from, and even a map showing the point of geographic origin.
Message delivery timeline
There’s also a timeline section, so it’s clear to see the path of a message during it’s lifetime and quickly identify areas where delivery was delayed or interrupted.
CloudFilter is critical for phishing protection
Admin tools improve mail transit transparency
Quickly allow or block a sender
CloudFilter lets users easily add a sender to their list of allowed or blocked address in one simple step right from their message preview. It’s quick, easy, and helps ensure that users receive exactly the email they want in their inbox.
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Common email filtering questions
What does an email filter do?
Email filters assist with managing and organizing mail flow based on the criteria applied to a message. In its simplest forms, the filter can hold or deliver emails based on the sender, content in the subject or body, or known data of the sending source and servers.
Email security filters improve email flow by holding messages that appear suspicious or malicious based on algorithms and anti-virus scans of attached files and embedded links.
Email filters are designed to alleviate the “noise” users receive from the internet by providing some control over the messages allowed to enter their email inbox.
What happens when you mark an email as spam?
Defining spam is a challenging job. Some of it is very obvious, but other messages can be considered legitimate depending on context or who you ask. This subjectivity creates opportunities for spam to “leak” into users’ mailboxes. All spam filters suffer from this blurred definition of spam.
When users mark an email as spam, the data associated with the email are dissected by programs to update or “learn” from the message’s information. If enough people submit messages with patterns that identify a type of spam, the filters begin to hold the messages in the future.
Unfortunately, bad actors and spammers know how this works and are constantly changing their tactics. A good email filter will be tuned to the behaviors of the users. Business email communication is different from bulk emails, which is also different from regular personal communications. Taking that into consideration makes a business-class email filter better suited for email security than the generalized “learning” of free filters included with other services.
Do I need to replace the Office 365 spam filter?
No. CloudFilter offers a secure layer on top of Office 365’s spam filter. Microsoft provides the bare minimum against spam, and messages are delivered to a Junk Email folder which is part of a user’s mailbox. Malicious emails that are in the Junk Email folder can do a lot of damage because the user is opening the email on their computer. That’s not friendly or safe to small and medium business users.
Office 365’s spam filter is meant to organize the worst messages in a separate folder, but it often has false positives as well. We have seen Microsoft Xbox, and Dynamics emails end up in the Junk Email folder quite often. These messages are from Microsoft themselves!
Two primary considerations to replace the Office 365 filter: Suspicious and malicious emails should be held outside the user’s mailbox to prevent the user from accidentally unleashing a bad situation. And, users should have easy-to-understand, granular controls over their email filter from any device or platform, not just in Outlook.
Does G-Suite need a spam filter?
Yes. Business users are accustomed to using their email from Google’s native tools in a web browser or their smartphone apps. Google’s spam filter does a pretty good job (in our opinion). Still, it also lacks the protection of keeping the email away from the user’s mailbox and isn’t easy to administer for granular control.
It is especially problematic in the web browser when Google users look through their Spam folder. The possibility to accidentally open a message or link that executes an unwanted action is way too high.
Managing the behavior of Google’s spam filter is also cumbersome. Adding an address to an allowlist, for example, requires creating a contact. That seems odd and difficult to manage later when users decide they may no longer want someone on the allowlist. Google’s spam filter also lacks the ease of use and granular options to protect business email users.
CloudFilter offers an added layer of email security to help you protect your users against spam, viruses and phishing emails.