Sixth Star Technologies


Our Spam Filter Caught Your Unsolicited Bulk Emails and blocks Spam Before It Reaches Your Inboxes

Protect and Stop Unwanted Spam Emails Reaching Your Network

Spam filter software mainly processes the incoming emails and prevents the spam before it is reaching the users. Its main function is to identify and remove the unwanted emails getting into the user’s accounts. In order to avoid the spam actions, effective spam filter service are provided by our solutions to maintain and clean spam-free inboxes. We offer spam filter services such as both Incoming and Outgoing spam filters based on your level of protection.

We provide accessible Cloud-based anti-spam filter 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 web development team not only develops attractive websites but also assures to make it audience-centric, and have global visibility. Besides it, they also update and manage your site systematically to maintain its standard.

Enjoy Free Trail On Our Cloud-Based Spam Filter Service

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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


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


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


Odin Service Automation

Direct Admin



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




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.


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.

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


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





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


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


Odin service automation

ISP system




Supported mail servers

Our email solutions entirely support any of the SMTP based mail servers like

Zimbra mail

Postfix mail filter




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.


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 Email Filtering Services

We significantly demonstrate high verifiable levels of spam and virus detection service for your business. The organizations should take following,

How email verified as spam – quarantined, tagged and delivered.

Percentage of false positives – number of authenticated emails get blocked.

Reporting options – The reporting options are available to identify whitelist and blacklist senders.

Filtering and testing – To accelerate the filtering process, front end test is conducted.

Virus protection – High quality of the antivirus software protecting your business from malware activities.

Protect and Stop Unwanted Emails Reaching Your Network

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.


Frequently Asked Questions

For inbound messages: This filtering will be done based on the IP address of the sender. As a default process, content-filter spam is sent to the junk folder of the recipient. All these actions can be controlled by you. For outbound messages: Here the emails delivery status can be easily known by the sender whether the email is bounced or not delivered through a message status.

Once you get the spam filter service, it will be automatically enabled as per anti-spam policies. If you want any alteration in the policies based on your organizational structure, you can tailor it according to it.

Yes, the service provides URL filtering. If the read URL has any spam content, then it will be marked as a spam message.

This email filtering works differently for new and migrated customers. So make sure if the service is automatically enabled or not.

Yes, you will get spam reports about the volume of messages present in the account.