Corporate Smtp Server and Noticeware Email Server Software for Windows

HS SMTP Lite
$0 - Hillstone Software

HS SMTP LITE is a software library in C (supplied with full source code) which implements the client side of Simple Mail Transfer Protocol (SMTP) over TCP socket layer according to RFC 821. Support for transfer of basic message header and text is provided

From version 1.1, HS SMTP LITE supports ESMTP extension for LOGIN Authentication using Base64 encoding and message sending to multiple recipients from address list.

From version 1.2 HS SMTP LITE supports sending binary file attachments using MIME version 1.0 base64 encoding

To send a text email message to any address on the internet, the user application calls a single function HsSmtpSendMail, specifying mail server name or IP address, sender address, recipient address, message text buffer and length, subject, cc and an event callback function to use for reporting of operation result and server errors.

HS SMTP library then resolves the server name, connects to it and transmits the message according to SMTP RFC 821 protocol. HS SMTP Library incorporates the necessary state machine, transparency procedures, and server response processing required to comply to a simple and robust SMTP client implementation.

Modular design makes it easy to port HS SMTP protocol module to any environment. HS SMTP internally at a lower layer interfaces to HS Sock library which provides TCP transport services. User application need not worry about Winsock - HS SMTP does all transmission, reception and event handling over socket layer.

Features
-SMTP Client Operation
-Server name resolution
-Supports up to 5 contexts
-Message Header Transfer
-Message Text Transfer
-Asynchonous Operation

Customization: Hillstone Software provides additional services for customization, porting and integration of the library code to better suit the needs of your products

API summary
-HsSmtpInit
-HsSmtpDestroy
-HsSmtpTick
-HsSmptSendMail
-HsSmptAbortMail

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SMTP Server Pro
$95 - IM-Soft

SMTP Server Pro is a powerful easy-to-use SMTP POP3 mail server program designed for satisfying the requirements of huge organization in high-volume messaging. It is simple, light-weight and reliable; it has security features to prevent DDoS attacks and block SPAM. It can be installed on several computers in different custom forms what lets you keep the common message queue; user mailboxes and the other components on separate dedicated PCs. The user interface of the program can be installed separately from the SMTP and POP3 services. This will give you an ability to manage all your servers from a single PC as well as make your servers working in the logoff mode. For software debugging and testing purposes, the testing mode is available. Using this mode you can check your email clients and other corporate software that relies on email messaging. As a personal solution, it is ideal for laptop PC users who travel a lot and have to use different Internet Service Providers (ISP) on the run. Using the program, you will never encounter a sending problem wherever you connect your PC to a network or phone socket.

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NoticeWare Email Server
$99.95 - NoticeWare Corporation

The NoticeWare Email Server is a high performance, multi-threaded email server for Windows 2000/2003/XP/Vista which supports IMAP, POP3 and SMTP protocols. Whether you are hosting your own email or collecting mail from your ISP, the NoticeWare Email Server will provide everything you need to run a secure and dependable email system.
The NoticeWare Email Server is extremely easy to install and configure. To find out for yourself, download it now and try it free for 30 days!

Major Features:
Spam Protection Methods - Supports various methods of fighting Spam. Supports real time spam lists, relay authorization, black and white lists, bayesian and content filtering, Spam Quarantine with Digests and other methods.
3rd Party Virus Scanner Support - Scan your email using your current anti-virus software.
IMAP, POP3 and SMTP Protocol Support -The Internet standards for email client and server communication. Supports TLS/SSL
Multiple Domain Support - Supports virtual and multi-homed domains.
Multiple Email Box Types - Standard, Forwards, Aliases, Groups, Relays and Mailing Lists are supported.
POP3 Pickup and SMTP Pickup Support - Pickup your email from other Internet email servers using either POP3 or SMTP.
Email Processing Rules - Enforce your corporate policies.
User Friendly Interface - Straightforward configuration and mail box / domain maintenance with the NoticeWare Email Server Administrator. Supports Mailbox and Status Views.
Relay / Gateway / Backup Server Support- The email server can be easily configured to relay email to another server. This facilitates its use as a front end for another internal server or a backup server if your mail email server fails. You can also use this feature to add POP3 Pickup and SMTP Pickup to another email server ( such as Microsoft Exchange )

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Best Mail Server
$69 - Ixis Ltd

Best Mail Server is an ultra fast mail server program. You can send mail from any mail client that is complaint with SMTP protocol using this server. You can also configure it to be your local mail server. It will accept mail on behalf of your users and store it, until your users will retrieve it using POP3. Our main purpose in developing this server was to deliver the easiest possible configuration, while allowing you to be able to tweak any advanced features you want. This server can be used along with virtually any mailer or email program. It is simple, light-weight, powerful and absolutely bullet-proof. A lot of security features and options that allow you to protect the server from DDoS attacks as well as safely block SPAM and spammers are built into the server. SMTP and POP3 servers work as NT services therefore they will keep working in the logoff mode. You can have multiple SMTP gateways in your server if you travel a lot with your laptop. This way, even if you cannot deliver your email directly to the destination, you will be able to still send it using one of the gateways. We also created mailing lists functionality in the server. Using this feature you can actually use this server as a mass mailer. You can create as many parameterized mailing lists as you like.

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1st Mail Server
$69 - IM-Soft

1st Mail Server is a fast and secure Professional SMTP/POP3 server program. You can use this program in many environments ranging from a corporate mail server to a standalone SMTP relay for your laptop. Any standard mail client can be used to send email using this server. SMTP and POP3 servers work as NT services therefore they will keep working in the logoff mode. For software debugging and testing purposes, the program has a testing mode you can use to check if your email clients work correctly. You can have multiple SMTP gateways in your server if you travel a lot with your laptop. This way, even if you cannot deliver your email directly to the destination, you will be able to still send it using one of the gateways.

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5star Mail Server
$69 - softkeeper.com

5star Mail Server is an extremely-reliable and fast SMTP/POP3 server. It can be used as a replacement of your corporate email server, since once configured it allows the email to be sent and retrieved using any email client software that supports SMTP and POP3 protocols. The server has a built-in support for mailing/distribution lists allowing you to configure groups of email receipients that may all receive an email message sent only once. The 5star Mail Server provides enhanced security and anti-spam features.

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