Best mailservers software for free download

MailScan 4 for SpearMail is the world's first "Real-Time" e-mail scanner for SpearMail Mail Server. This server is published by Spearhead Infotech Systems, India. MailScan 4 for SpearMail acts like a Content-Security and Anti-Virus Software for your Corporate SpearMail Mail Server. It scans and cleans e-mails that: A) Flow between all the local users. B) Go from your SpearMail Mail Server to the Internet. C) Come into your SpearMail Mail Server from the Internet (either via SMTP or POP3). MailScan is the *only* product available in the world that transparently works on both SMTP and POP3 traffic. It has the world's first e-mail Content-Security and Anti-Virus feature that analyzes e-mails on real time basis *before* they are delivered to your clients or servers. Both SMTP and POP3 are supported. Technically, a new layer the MicroWorld Winsock Layer (MWL) is introduced between the default WinSock2 and the applications. This layer is responsible for analyzing the traffic that flows between SpearMail and the Internet or your applications. Anti-Virus and Content-Checking are some of the benefits offered by MailScan. It also has a Generic Attachment Analyzer, automatic compression/decompression feature, a comprehensive Notification Engine and many features not found in any other products. MailScan uses eScan Content-Security and Anti-Virus to scan all e-mail attachments. Incoming and outgoing e-mails are scanned and cleaned of viruses and their contents checked, before your actual e-mail server processes them. All the MailScan processes are multi-threaded. This ensures that all e-mails are parallely processed. All types of attachments are handled by MailScan, including MIME and UUEncoded. Other types supported are: RFC822 attachments, Embedded e-mails, Multipart-Mixed and Multipart-Digest types. USPs offered by MailScan: 1.No port settings or changes need to be done inside SpearMail. 2. Dedicated gateway machine not needed for using MailScan. MailScan will work along wit

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MailScan 4 for SMTP Servers is for customers using Linux, Unix, Novell or other non-Windows platforms on their e-mail Server. MailScan for SMTP Servers works on a Windows machine and acts like a Security Gateway between your Mail Server and the Internet. It also has an inbuilt multi-threaded SMTP Server and a POP3 Downloader. Features specific to MailScan 4 for SMTP Servers - Realtime Blackhole list (RBL): MAPS (Mail Abuse Prevention System) provides a list of IP addresses that are known Spammers or allow spamming. This list is called as Black hole list. When your SMTP Server, receives a mail from a domain, not on its allow domain list, you can send a query to MAPS Server which verifies the IP. Dial-Up Users (DUL): Spammers sometimes use stealth mail tactics when their initial Spam attempts are blocked. They use a dial-up-service (DUL) provider to connect their Spam mail service, to the SMTP Server. This is trespassing on your MailServer and the MAPS DUL project helps in identifying and stopping Spam. The project has a list of DUL users who are known Spammers. To verify if the request for connection to your SMTP Server is genuine, you can send a query to dialups.mail-abuse.org. The request is verified and returned. Reverse DNS: MailScan for SMTP server will do reverse DNS for each connecting IP to verify their IP when other users try to connect to your server. User level routing/forwarding: It provides routing and forwarding of mails on user level. Mailparking and Mail delay: This feature provides Delay for Outbound Mails It also allows you to select the size of e-mails that should be parked or delayed and set the time duration. Mailsize Restriction: It provides Mailsize restriction on gateway level. Clustering: This feature is useful to ISP or Servers that receive a large number of mails that need to be scanned. FREE 24/7 ONLINE SUPPORT.

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MailScan 4 for Microsoft Exchange Server, acts like a Content-Security and Anti-Virus Software between your Corporate Exchange Mail Server and the Internet. It has the world's first "real-time", e-mail Content-Security and Anti-Virus feature that analyzes e-mails before they are delivered to the clients or the servers on your network. Both SMTP and POP3 are supported. Technically, a new layer the MicroWorld WinSock Layer (MWL) is placed between the default WinSock2 and the applications. MWL analyzes traffic that flows between the Microsoft Exchange Server and the Internet. Besides providing Anti-Virus and Content-Scanning features, MailScan also has a Generic Attachment Analyzer, automatic compression/decompression feature, a comprehensive notification Engine, etc. MailScan uses the eScan Content-Security and Anti-Virus solution to scan all e-mails. Incoming and outgoing e-mails are scanned and cleaned and their contents checked before your e-mail server processes them. All MailScan processes are multi-threaded. This ensures that all e-mails are parallely processed. All types of attachments are handled by MailScan, including MIME and UUEncoded. Other types supported are: RFC822 attachments, Embedded e-mails, Multipart-Mixed and Multipart-Digest types. USPs of MailScan are: 1. No port settings or changes need to be done inside Microsoft Exchange Server. 2. Dedicated gateway machine not needed for using MailScan. 3. MailScan works along with MS Exchange on the same machine. 4. Unlike other products, you will NOT lose any of the SMTP functionality's given by MS Exchange. Support 24 X 7 FREE ONLINE SUPPORT





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MailScan 4 for MailMax is the world's first "Real-Time" e-mail scanner for MailMax Mail Server. This server is published by SmartMax Software Inc. MailScan 4 for MailMax, acts like a Content-Security and Anti-Virus Software for your Corporate MailMax. It scans and cleans e-mails that: A) Flow between all the local users. B) Go from your MailMax to the Internet. C) Come into your MailMax from the Internet (either via SMTP or POP3). MailScan is the *only* product available in the world that transparently works on both SMTP and POP3 traffic. It has the world's first e-mail Content-Security and Anti-Virus feature that analyzes e-mails on real time basis *before* they are delivered to your clients or servers. Both SMTP and POP3 are supported. Technically, a new layer the MicroWorld Winsock Layer (MWL) is introduced between the default WinSock2 and the applications. This layer analyzes traffic that flows between MailMax and the Internet or your applications. Anti-Virus and Content-Checking are some of the benefits offered by MailScan. It also has a Generic Attachment Analyzer, automatic compression/decompression feature, a comprehensive Notification Engine and many features not found in other products. MailScan uses the eScan Content-Security and Anti-Virus feature to scan all e-mail attachments. Incoming and outgoing e-mails are scanned and cleaned of viruses and the contents checked, before your actual e-mail server processes them. All MailScan processes are multi-threaded. This ensures that all e-mails are parallely processed. All types of attachments are handled by MailScan, including MIME and UUEncoded. Other types supported are: RFC822 attachments, Embedded e-mails, Multipart-Mixed and Multipart-Digest types. USPs offered by MailScan are: 1.No port settings or changes need to be done inside MailMax. 2. Dedicated gateway machine is not required for using MailScan. MailScan works with MailMax on the same machine. Support - 24 / 7 FREE ONlINE SUPPORT



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MailScan 4 for LAN-Projekt WinProxy is the world's first "Real-Time" e-mail scanner for the WinProxy Mail Server. This server is published by LAN-Projekt. MailScan 4 for LAN-Projekt WinProxy acts like a Content-Security and AntiVirus Software for your Corporate WinProxy Mail Server. It will scan and clean emails that: A) Flow between all the local users. B) Go from your WinProxy Mail Server to the Internet. C) That comes inside your WinProxy Mail Server from the Internet (either via SMTP or POP3). MailScan is the *only* product available across the world that transparently works on both SMTP and POP3 traffic. It has the world's first Real-Time eMail Content-Security and AntiVirus that analyzes eMails on a real time basis *before* it is delivered to your clients or servers. Both SMTP and POP3 are supported. Technically, a new layer, called as the MicroWorld Winsock Layer (MWL), has been introduced between the default WinSock2 and the applications. This layer is responsible for analyzing the traffic that flows between WinProxy and the Internet or your applications. AntiVirus and Content-Checking are only few of the benefits offered by MailScan. It also has a Generic Attachment Analyzer, Automatic Compression / Decompression feature, a comprehensive Notification engine and hosts of features hitherto found in any other package. MailScan uses the eScan Content-Security and AntiVirus to scan all attachments contained in eMails. Emails sent out to the Internet and coming in from the Internet are scanned and cleaned of Viruses and its contents checked, before your actual email server processes the same. All the MailScan processes are multi-threaded. All types of attachments are handled by MailScan, including MIME and UUEncoded. RFC822 attachments, Embedded emails, Multipart-Mixed and Multipart-Digest types are also handled properly. FREE 24/7 ONLINE SUPPORT.

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MailScan 4 for IAMS is the world's first "Real-Time" e-mail scanner for Internet Anywhere Mail Server. This server is published by True North Software Inc. MailScan 4 for Internet Anywhere acts like a Content-Security and Anti-Virus Software for your Corporate Internet Anywhere Mail Server. It scans and cleans e-mails that: A) Flow between all local users. B) Go from your Internet Anywhere Mail Server to the Internet. C) Come into your Internet Anywhere Mail Server from the Internet (either via SMTP or POP3). MailScan 4 is the *only* product available across the world that transparently works on both SMTP and POP3 traffic. It has the world's first e-mail Content-Security and Anti-Virus feature that analyzes e-mails on real time basis *before* they are delivered to your clients or servers. Both SMTP and POP3 are supported. Technically, a new layer, the MicroWorld Winsock Layer (MWL), is placed between the default WinSock2 and the applications. The layer analyzes traffic that flows between Internet Anywhere and the Internet or your applications. Anti-Virus and Content-Checking are some of the benefits offered by MailScan. It also has a Generic Attachment Analyzer, automatic compression/decompression feature, a comprehensive Notification Engine and many features not available in other packages. MailScan uses the eScan Content-Security and AntiVirus to scan all e-mail attachments. Incoming and outgoing e-mails are scanned and cleaned of viruses and the contents checked, before your e-mail server processes them. All MailScan processes are multi-threaded. This ensures that all e-mails are parallely processed. All types of attachments are handled by MailScan, including MIME and UUEncoded. USPs offered by MailScan are that: 1. No port settings or changes need to be done inside Internet Anywhere. 2. Dedicated gateway machine is not required for using MailScan. FREE ONLINE 24/7 SUPPORT


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MailScan 4 for CommuniGate-Pro is the world's first out-of-the-box, e-mail virus and content scanner for the CommuniGate Pro Mail Server. This server is published by Stalker Software Inc.MailScan 4 for CommuniGate Pro (MSCGP) acts as a Content-Security and Anti-Virus Software between your Corporate CommuniGate Pro Mail Server and the Internet. MSCGP works on CG-Pro versions 3.4 and above.MailScan for CommuniGate Pro integrates with the inbuilt Content-Filtering system offered by CommuniGate Pro software. After installation, it makes the required setting changes in CG Pro system. Hence MailScan truly functions as an out-of-the-box product. Anti-Virus and Content-Checking are only a few of the benefits offered by MailScan. It also has a Generic Attachment Analyzer, automatic compression/decompression feature, a comprehensive Notification Engine and many features, not available in other products.MailScan uses eScan Content-Security and Anti-Virus to scan all e-mail attachments. Incoming and outgoing e-mails are scanned and cleaned for viruses and their contents checked, before your e-mail server processes them.All MailScan processes are multi-threaded. This ensures that all e-mails are parallely processed. All types of attachments are handled by MailScan, including MIME and UUEncoded. Other types supported are: RFC822 attachments, embedded e-mails, Multipart-Mixed and Multipart-Digest types. USPs offered by MailScan are: 1.No port settings or changes need to be done inside CommuniGate Pro. / 2.Dedicated gateway not required for using MailScan. MailScan works along with CG Pro on the same machine. / 3. Unlike other products, you will *NOT* lose any of the SMTP functionalities by using CommuniGate Pro. / 4.It gives exceptional performance. / 5. It is completely multi-threaded. MailScan is tested with CommuniGate Pro versions 3.4 and above. It is currently available only for the Windows 95/98/ME/NT/2000 and XP platforms. Free 24/7 online support.



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MailScan 4 for Avirt is the world's first "Real-Time" eMail Scanner for the Avirt Mail Server. This server is published by Applied Technology Systems Ltd. MailScan for Avirt acts like a Content-Security and AntiVirus Software for your Corporate Avirt Mail Server. MailScan is the *only* product available across the world that transparently works on both SMTP and POP3 traffic. It has the world's first Real-Time eMail Content-Security and AntiVirus that analyzes eMails on a real time basis *before* it is delivered to your clients or servers. Both SMTP and POP3 are supported. Technically, a new layer, called as the MicroWorld Winsock Layer (MWL), has been introduced between the default WinSock2 and the applications. This layer is responsible for analyzing the traffic that flows between Avirt and the Internet or your applications. AntiVirus and Content-Checking are only few of the benefits offered by MailScan. It also has a Generic Attachment Analyzer, Automatic Compression/Decompression feature, a comprehensive Notification engine and hosts of features hitherto found in any other package. MailScan uses the eScan Content-Security and AntiVirus to scan all attachments contained in eMails. Emails sent out to the Internet and coming in from the Internet are scanned and cleaned of Viruses and its contents checked, before your actual email server processes the same. Multi-threadedprocess ensures that all emails are parallely processed. All types of attachments are handled by MailScan, including MIME and UUEncoded. RFC822 attachments, Embedded emails, Multipart-Mixed and Multipart-Digest types are also handled properly. The most important USPs offered by MailScan are that: 1. No port settings or changes need to be done inside Avirt. 2. No Gateway machine needs to be dedicated for using MailScan. MailScan will work along with Avirt on the same machine. Support - 24 X 7 FREE ONLINE support.



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MailScan 4 for 1st UpMailServer is the world's first "Real-Time" e-mail scanner for the 1st UpMailServer. It acts like a Content-Security and AntiVirus Software for your Corporate 1st UpMailServer. It scans and clean e-mails that: A) Flow between all local users. B) Go from your 1st UpMailServer to the Internet. C) Come into your 1st UpMailServer from the Internet (through SMTP or POP3). MailScan 4 is the *only* product available in the world that works transparently on both SMTP and POP3 traffic. It is the world's first real-time, e-mail Content-Security and AntiVirus software that analyzes e-mails on real time basis *before* they are delivered to your clients or servers. Both SMTP and POP3 are supported. A new layer, called the MicroWorld Winsock Layer (MWL), is placed between the default WinSock2 and the applications. This layer analyzes traffic that flows between 1st UpMailServer and the Internet or your applications. AntiVirus and Content-Checking are some of the key benefits offered by MailScan. It also has a Generic Attachment Analyzer, an automatic compression and decompression feature, a comprehensive Notification Engine and many features, not available in other products. MailScan uses eScan Content-Security and AntiVirus, to scan all e-mails attachments. Incoming and outgoing e-mails are scanned and cleaned for viruses and the contents checked, before the e-mail server processes them. All MailScan processes are multi-threaded. This ensures that all e-mails are parallely processed. USPs offered by MailScan are: 1. No port settings or changes need to be done inside 1st UpMailServer. 2. No dedicated Gateway machine is required for using MailScan. MailScan works with 1st UpMailServer on the same machine. Support - 24 X 7 Free Online Support.


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eScan for Linux Servers is the first reliable virus scanning software for servers running on Linux operating systems. It offers a complete and secure anti-virus security solution. With the increased penetration of Linux as an alternate operating system for desktops, attacks on Linux based machines has increased. eScan for Linux servers answers all the needs. Mailservers are the main gateways of information flow in an organization. Unfortunatley they also function as a gateway for e-mail and other viruses. There is a false feeling of security that Viruses do not infect Linux systems. To a certain extent this is true since in the architecture of Linux systems, the 'Root' or administrator owns the Programs and other users in a Linux network use the non-privilege account. Linux is compatible with Windows & when users transfer these mail documents to Linux, the viruses are launched. eScan works as an on-demand software application that can be called when you need it. It has a sophisticated heuristic scan engine that can recognize and remove over 91,500 viruses. When viruses are detected you can run preset actions like disinfect, delete the infected file, rename it, prompt for users action, quarantine it, etc. eScan reads inside the data stream of a file to detect hidden viruses. The application can scan virtually all types of files including zipped and archived files. Features of eScan for Linux Server: Real-time Intelligent Monitor to guard your system / Configuration and management through a web interface / Ability to scan files automatically as they are modified and closed in real time / Quarantine the infected filed Skip scanning of files with specified extensions / Scans files in real time with the specified include directories. / Automatic Updates.



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eScan Enterprise Edition is a complete security suite for Corporate and enterprises which provides essential protection against viruses, objectionable content, hackers and privacy threats. It scans the local and network drives for viruses and cleans them on a real-time basis. Built on MWL technology, it has a powerful Anti-Virus, intelligent Heuristic Scan Engine that detects and blocks over 90,000 known and unknown viruses. It offers a combination of features to help you fight the threat of viruses and set security policies. It guards against Internet misuse, block Spam and offensive mails and block PopUp Ads. Comes with adware, spyware, keylogger removal. A very important feature is Browser CleanUp that allows you to protect your privacy and removes traces of websites you visit, removes cookies, active X controls, plugins and other links that reveal your browsing habits. The features include Real time Virus Scanning at Desktops, Servers and Gateways, includes scanning of SMTP, POP3 and HTTP traffic. / Real Time Content Scanning at Desktops, Servers and Gateways, Includes scanning of SMTP, POP3 and HTTP traffic. / MailScan for MailServer, The Real-Time Anti-Virus and Content Security for the MailServers. / AntiSpamming./ Spyware, Adware, keylogger detection & removal. / Productivity Control, restricting access to non-productive website during work hours. / POP Up Filter.Remote Access File Rights, restriction of creation & modification of specific file types in a user specified folder. / Remote installation and un-installation of eScan and existing Anti-Virus solution from a single management console. / NetBIOS Firewall. / Automatic Daily Internet Updation. / 24 hours FREE online support.




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AVIRA Antivirus for Postfix is a comprehensive antivirus solution for Linux mailservers, functioning at high speed and filtering against malicious contents by checking both incoming and outgoing emails. AVIRA Antivirus for Postfix runs as a plug-in for Postfix.
It runs on common Linux Distributions - Red Hat, SuSE, Debian, Mandrake, Fedora, Gentoo, Slackware, etc.
AVIRA Antivirus for Postfix highlights:

- Solid antivirus technologies: multi-platform, VB100% certified scan engine, proving its reliability with the 100% detection rate for 'in the wild' viruses;
- Extensive Malware Recognition: aside from viruses, Trojans, backdoor programs, worms, etc., AVIRA detects Adware & Spyware, double extension files and unusual runtime compression tools;
- Automatic internet updates of the virus signatures database and of the antivirus engine;
- Comprehensive range of actions to perform on infected and suspicious items: isolate, block emails containing suspicious archives, block suspicious MIME emails;
-Plug-in capability for Postfix;
- Blocking e-mails based on the attached files' extensions (including either plain files or packed in archives);
- Extended scanning capabilities for both incoming and outgoing email traffic;
- Configurable notification functions for the administrator as well as for the email sender and recipient, keeping you constantly informed;
- Virus advanced detection by superior heuristics, based on specific behavior patterns;
- Recursive scanning inside an impressive array of common archive formats;
- Optional AVIRA Feedback Agent, a new simple module that sends directly to AVIRA the relevant information about the virus threats you are experiencing;
- Professional services: the AVIRA license entitles you to an entire year of free virus definitions updates and product upgrades, access to documentation, as well as standard technical support, offered by a team of skilled professionals.

Limitations:
- The

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AVIRA Antivirus for Exim is a comprehensive antivirus solution for Linux mailservers, functioning at high speed and filtering against malicious contents by checking both incoming and outgoing emails. AVIRA Antivirus for Exim runs as a plug-in for Exim MailServer.
It runs on common Linux Distributions - Red Hat, SuSE, Debian, Mandrake, Fedora, Gentoo, Slackware, etc.

AVIRA Antivirus for Exim highlights:

- Solid antivirus technologies: multi-platform, VB100% certified scan engine, proving its reliability with the 100% detection rate for 'in the wild' viruses;
- Extensive Malware Recognition: aside from viruses, Trojans, backdoor programs, worms, etc., AVIRA detects Adware & Spyware, double extension files and unusual runtime compression tools;
- Automatic internet updates of the virus signatures database and of the antivirus engine;
- Comprehensive range of actions to perform on infected and suspicious items: isolate, block emails containing suspicious archives, block suspicious MIME emails;
-Plug-in capability for Exim;
- Blocking e-mails based on the attached files' extensions (including either plain files or packed in archives);
- Extended scanning capabilities for both incoming and outgoing email traffic;
- Configurable notification functions for the administrator as well as for the email sender and recipient, keeping you constantly informed;
- Virus advanced detection by superior heuristics, based on specific behavior patterns;
- Recursive scanning inside an impressive array of common archive formats;
- Optional AVIRA Feedback Agent, a new simple module that sends directly to AVIRA the relevant information about the virus threats you are experiencing;
- Professional services: the AVIRA license entitles you to an entire year of free virus definitions updates and product upgrades, access to documentation, as well as standard technical support, offered by a team of skilled professionals.

Limitations:
- The Insta

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