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 Home » Anti Spam » X-Spam for SMTP Servers
 X-Spam for SMTP Servers
 the ultimate spam exterminator for your servers and workstations 
X-Spam for SMTP Servers (X-Spam) is highly adaptive Anti-Spam Software that protects the SMTP Servers from Spam. X-Spam uses advanced regular expressions and meta tests to positively identify Spam and block it.
X-Spam works at the mail protocol level and after a mail is accepted thus, providing two levels of security for your email infrastructure. X-Spam uses Heuristics Scoring to reduce the probability of catching legitimate e-mails as Spam. These scores are generated using a special algorithm from the area of Artificial Intelligence.

Why X-Spam for SMTP Servers ?
X-Spam for SMTP Servers is maintenance free software and once installed will practically run itself and keep itself updated. An intuitive interface is provided to further customize the filters, scoring and other Spam fighting options. Most importantly, with its AI-based score generation, X-Spam for SMTP Servers prevents legitimate mail from being tagged as Spam.

How does X-Spam for SMTP Servers work?
X-Spam for SMTP Servers fights Spam at two levels:
  • Before accepting mail at the mail protocol layer: If a connecting mail server is listed in a Spam sending black list, mail is not accepted from it.
  • After mail has been accepted, it goes through a series of special filters that add to the total Spam score of the mail. A Spam threshold is assigned. If the mail crosses the threshold then it is tagged as Spam.

Key Features of X-Spam

Web Based Administration
The Administration Console can be accessed using a browser, thus enabling Remote Administration of the application.

Attachment Filtering
Extensive options to block certain attachments like EXE, COM, CHM or BAT from being sent or received.

Real-Time Content Scanning
All incoming and outgoing messages are scanned in Real-Time for offensive words and Adult Content, with the help of Security Policies.

Advanced AntiSpam and AntiPhishing
Using a combination of technologies like Real-time Black List, SURBL Checking, MX/A DNS Record Verification, Reverse DNS, X-Spam Rules Check, Sender Policy Framework and Non Intrusive Learning Patterns spam and phishing emails are blocked.

Non Intrusive Learning Patterns (NILP)
This unique technology from MicroWorld is an advanced Spam Filtering method with the intelligence to analyze all mails to filter and block Spam, according to the Behavioral Patterns of the user.

Blocking Image Spam
User powerful in-built technologies to filter out image spam.

LDAP Authentication
Supports LDAP Authenticated Web Administration.

Comprehensive Attachment & eMail Archiving
Customizable options to archive e-mails and attachments flowing in and out of the system. This feature also helps in comprehensive Content Auditing.

SMTP Transparent Proxy
SMTP Transparent Proxy enables a Transport Layer Security based communication between Hub Transport Server and Edge Transport Server.

Autogenerated Spam Whitelist
When a local user sends a mail to an email address, the system automatically adds that ID to the Spam Whitelist.

In Greylisting, mails coming from unknown senders are rejected temporarily as most spamming servers do not try to send the mail in case of a first time rejection.

Clustering provides load balancing by distributing mails to multiple computers for scanning.

Relay Control
Stops spammers from using your organization's IP addresses to send Spam.

Compression and Decompression
Options for automatic compression and decompression of files.

POP3 Authentication
This helps in authenticating users and restricting unauthorized access to quarantined mails.

SMTP Authentication
The sender can be authenticated at the SMTP level.

TCP Connections
This option shows all TCP/UDP connections in the system, like Processes, Protocol, Local Address, Remote Address, and Status.

Customized Disclaimers
Easy to use options to add Customized Disclaimers all external and internal emails

Extensive Reports
Provides advanced analytical reports in graphical and Non-graphical formats.


System RequirementsAvailable Platforms
P-II and above Processor
128-256 MB of Physical Ram
50 - 100 MB of free H/Disk space.
Windows 95/98SE/ME
Windows NT 4.0 Server/Workstation (SP 6a)
Windows 2000 Professional (SP 4)
Windows 2000 Server/Advanced Server (SP 4)
Windows XP Home/Professional
Windows XP 64-bit
Windows 2003 Enterprise/Standard (SP1)
Windows 2003 64-bit
Windows Vista Ultimate/Home Premium
Windows Vista Home Basic/Business/Enterprise
Windows Vista 64-bit
Version Info 
Current Version - 5.6
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