Secure Your Inbox with Advanced Email Spam Filtering Service
Protect your business emails from spam, phishing, and unwanted threats with Sixthstar Technologies cloud-based spam filtering service. Our email spam filtering solution ensures only safe, relevant, and trusted messages reach your inbox. With advanced spam protection and real-time threat detection, keep your communication clean, secure, and efficient.
Our Globally Trusted Clients
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Keep Your Inbox Clean with Sixthstar’s Email Spam Protection
Spam filter software mainly processes the incoming emails and prevents the spam before it is reaching your users. Its main function is to identify and remove the unwanted emails from your inbox. In order to avoid the spam actions, effective spam filtering service are provided by our solutions to maintain and clean spam-free inboxes. We offer spam filter services such as both Incoming spam filters and Outgoing spam filters based on your level of protection.
We provide accessible Cloud-based spam filtering service in chennai that detect phishing which obtains username, password, credit card details and malware activities that causes damages to a computer, server, or computer network. Once the email filter is installed you can get an administration portal and where you can permit and manage the variety of features like management of whitelists and blacklists, subject or content filters, virus detection, email recovery and quarantine blocking spam
Either you want to create a new website or want to convert a lost site into the engaging site, our talented web developers ensure to provide you with an impeccable service which will be out your expectation level. Our spam protection service detects phishing attempts that target usernames, passwords, and sensitive financial data, ensuring complete protection for your business. Sixthstar Technologies helps organizations maintain productivity, prevent downtime, and build a secure communication environment.
Enjoy a Free Trial of Our Cloud-Based Spam Filter for Total Email Protection
Block unwanted and malicious emails before they reach your inbox.
Why choose SixthStar Incoming Spam Filter?
SixthStar offers you the best incoming spam filter in which users send mails to the recipient. Before the mail reaches the receiving end, it will undergo a detection process in the intermediate server to find any malware presence. Once the detecting process gets complete, the mail will automatically reach the receiver end.
Guard your network against spams
We have applied innovative and best strategy to exclude spam mail before it reaches your inbox.
Identifies new spam instantly
We ensure uninterrupted progress in safe data collection and analysis, immediately finding new techniques and identifying the threats. That amassed spam filter technique is shared in real-time with all our worldwide clients, offering an instant solution against new malware issues.
Maximized Email Continuity
An additional protection layer is provided in spam filter for redundancy and email continuity purpose. When the receiver mail server is unapproachable, SixthStar’s Spam filters queue inbound email.
Superior filter quality and efficiency
Our spam filter processes tons of emails per second. We offer incoming filters that provide you more accuracy.
Enhance resource effectiveness
Our superior level incoming filter functions in your mail infrastructure, and you no longer require to handle such a huge number of inbounding mail spam.
Strengthen employee productivity
Using this Spam filter, your quality time is preserved, and thus you can concentrate fully on your business work.
Process carried out in SixthStar’s Incoming spam filter
Filtering Technology
- SMTP Level Filtering
- Data Level Filtering
Filtering Technology
- Login
- Add domain
- Configure MX record
View incoming Bandwidth overview
View incoming delivery queue
Incoming whitelist filtering rules
- Domain rules
- Admin rules
- Default rules
- Global rules
- Inherited rules
- Query rules
Add incoming whitelist filtering rules
Incoming Blacklist filtering rules
- Domain rules .
- Admin rules
- Default rules
- Global rules
- Inherited rules
- Query rules
Add Incoming Blacklist filtering rules
View incoming log search
- Filter incoming mail
- Report
Create email scout report
View spam quarantine
- Enable the quarantine
- Access the quarantine
- View Domain level incoming spam quarantine
- View Email Level spam quarantine
- IMAP Access
- IMAP folders
Message queueing
- Automatic retry schedule Message queued
- Your own fallback server
Manage domain alias
- Add domain alias
Configure domain settings
- Rejected local part characters
- Advanced settings
Manage destinations
- Add destinations
- Perform Network checks on destination server
View domain statistics
- Train spam
- Train not spam
- Report spam
- Clear callout cache – incoming
- Set up whitelist filtering rules domain level
- Set up blacklist filtering rules domain level
Technical Features of Incoming Spam Filter
Dual deployment options
You can either pick our hosted cloud spam filter or indulge the incoming filter instantly into your cloud hardware locally.
Integration and automation
SixthStar offers pre-built accomplices to completely incorporate the incoming filter with significant control panels and other email collaboration tools such as
- CPanel
- Odin Service Automation
- Direct Admin
- Plesk
- Open-Xchange.
Supported mail server
Our spam filter solution is completely independent and assists any SMTP consistent mail server like
- Zimbra mail
- Exchange mail filter
- Postfix mail filter
- Exim
- Gmail
- Lotus
Full support and updates
The incoming spam filter is entirely monitored, maintained, and updated by our expert team and synchronize with our worldwide centralized database.
Quarantine and reporting
In order to verify the status of any email, we provide an extensive log-search tool with progressed quarantine options. These quarantine options can be displayed through IMAP via the web.
Delivery queue
We provide an additional redundancy level in spam filter when required destination server becomes unreached. The queued mails are forced to the receiver end mail server when approachable again, thus it avoids email from being lost or pushed back to the sender.
Administration
In this incoming spam filter, there is the availability of a multi-level central web interface that provides access to various permission levels, branding choices, and other functional capabilities like user detection, whitelisting tools, blacklisting tools, and attachment management.
Protect your domain reputation by preventing spam from leaving your network.
Why select SixthStar Outgoing Spam filter?
SixthStar offers cloud-based outgoing spam filter that detects and blocks spams to provide the most secured email delivery. Using the outgoing spam filter, you can easily remove mail delivery issues caused by IP address blacklisting.
Evade IP blacklisting
The utilization of outgoing spam filter will help you to get free from network-oriented issues and reduces the time spent on ordering the spam mail.
Defend your brand and infrastructure
We ensure positive client prestige by providing them with an excellent and complete email solution with integrity.
Enhance abuse operability
Our outgoing spam filter provides neat and clear reports denoting, which users’ needs your consideration, and systematically locks them.
Avoid heavy fines
Nation-wide legislative and control organization established a rule that is to pay heavy fines for Sending out harmful emails.
Process carried out in SixthStar’s Outgoing spam filter
Start outgoing filtering
- Create outgoing user
- Configure the abuse report address
- Configure outgoing delivery
- Set up SPF
- Set up DKIM
- Set up your SMTP Hostnames
- Configure your MTA
- Connection Limits
- Available Outgoing ports
- Block Outgoing Traffic on port 25
- Outgoing License Size
- How to count users/domains?
Configure your MTA
- Qmail
- PostFix iP authentication
- PostFix per Username authentication
- PostFix Sender-based routing
- cPanel/WHM User-based authentication
- cPanel/WHM IP-bases authentication
- cPanel/WHM IP-based authentication for selected domain
- Exim IP based authentication
- Exim Username based authentication
- Microsoft Exchange
- Sendmail
- MailEnable
- Kerio
- Icewrap
Outbound spam monitoring
- Control panel quarantine (only for Local Cloud)
- Managing outgoing spam
- Automatic and manual locking
- Alternative reporting
View outgoing bandwidth overview
Manage identities
- Add identities
Manage outgoing user
- Add an outgoing user
- Edit an outgoing user
- Outgoing Identity setup
- Setup Outgoing user authentication for multiple domains with the same IP address
- Generate outgoing report
View outgoing blacklist filtering rules
- Domain rules
- Admin Rules
- Default Rules
- Global Rules
- Inherited Rules
- Query Rules
Add an outgoing blacklist filtering rules
Outgoing Log Search
- Filter outgoing mail
- Report
- Create an email scout report
- DKIM Certificate generation
- Manage outgoing settings
- Clear Callout cache – outgoing
- View domain statistics outgoing
Technical Features of Outgoing Spam Filter
Dual deployment
The outgoing spam filter can be implemented either in the hosted cloud or into your system hardware locally based on your needs. Additionally, it can be utilized as an outbound SMTP server or redirect all outgoing traffic via the system.
Integration and automation
We offer a pre-designed add-on to completely combine outgoing spam filter with significant control panels and other email collaboration tools like
- CPanel
- Odin service automation
- ISP system
- Open-Xchange
- Plesk
- Open-Xchange
Supported mail servers
Our email solutions entirely support any of the SMTP based mail servers like
- Zimbra mail
- Postfix mail filter
- Exim
- Gmail
- Lotus
- Exchange mail filter
Reports and support
Apart from ARF reports and automatic locking, we also hold ties with RBL operators and security firm with business.
Software updates and maintenance
Don’t spend your quality time in doing administrating work for your system. Our expert professional team will completely take care of your system.
Administration
SixthStar’s spam filter has user-friendly interface provides various permission stage, branding choices, new user/account discovery, blacklisting tools, whitelisting tools etc.
Key Features of Our Email Filtering Services
Our advanced filtering technologies protect your business from spam, viruses, and phishing attacks ensuring secure, productive, and uninterrupted communication.
Accurate Spam Detection – Filters identify and quarantine spam before it reaches your inbox.
Low False Positives – Ensures legitimate business emails are never mistakenly blocked.
Smart Reporting Dashboard – Offers insights into quarantined items, sender lists, and performance metrics.
Real-Time Filtering & Testing – Continuous monitoring improves detection accuracy instantly.
Advanced Virus Protection – Blocks malware, phishing, and harmful content before it reaches your network.

Protect and Stop Unwanted Emails Reaching Your Network
Secure your communication channels with our advanced filtering and protection suite.
Ease Of Use
Sending the data and other information is an easy process. You can easily manage and transfer your data’s via the network in short time period.
High Detection Rate
The rate of virus and malware activities were detected accurately and can be prevented without entering into the email network of sender and receiver end.
Email Continuity Service
The maintenance of email flow is carried via email delivery process. We provide an extra protective layer for incoming filter that maintains the email flow.
Reporting Options
The reporting option is useful to find out the whitelist and blacklist so that the user can sort out mail list in an effective way.
Antivirus Software
It is used to detect, prevent and remove malware and viruses that affects in any part of the files or software in the desktop.
Phishing Protection
A powerful layer of phishing protections is significantly required to protect users and organizations from hacking attacks like threating sensitive information of the user.
Our Journey of Success
A story built on trust, innovation, and impact

Stay Spam-Free, Stay Secure!
Experience reliable spam protection backed by expert support and 100% transparency.
CUSTOMER TESTIMONIALS
Spam fillter

Sixthstar Technologies
Spam filter Provider
Sunil
Returning Customer
We’ve been using the email spam filtering service from Sixthstar Technologies for over a year, and it has made a huge difference in our communication security. Their cloud-based spam filtering efficiently blocks phishing and unwanted emails, keeping our inboxes safe and organized. Excellent service and timely support.
Frequently Asked Questions
FAQs for Email Spam Filtering Service
An email spam filtering service automatically detects and blocks unwanted or harmful emails such as spam, phishing, and malware before they reach your inbox.
Cloud-based spam filtering processes incoming emails through secure cloud servers that scan for spam, viruses, and phishing links, ensuring your mailbox stays clean and safe.
Sixthstar Technologies provides advanced spam protection with real-time detection, quarantine reports, and a 90-day money-back guarantee for complete reliability.
Yes, our email spam filtering service includes phishing protection that identifies and blocks fraudulent messages trying to steal sensitive information.
Absolutely. Our cloud-based spam filtering integrates smoothly with all major email clients and control panels like cPanel for effortless management.
No, our smart filtering technology accurately differentiates between spam and genuine email, reducing false positives.
You can access detailed quarantine reports anytime to review, release, or delete filtered emails for complete transparency.
Yes. Sixthstar Technologies offers a free one-month trial so you can experience our spam filtering and spam protection features risk-free.
By removing spam and unwanted messages automatically, your team can focus on important communications — improving efficiency and email security.
You can sign up directly on our website or contact our support team. We'll help you integrate and configure the spam filter for maximum protection.