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 supports ESMTP extension for LOGIN Authentication using Base64 encoding and message sending to multiple recipients from address list. From version 1.2 HS SMTP supports sending binary file attachments using MIME version 1.0 base64 encoding From version 2.0.0 HS SMTP supports secure SMTP over TLS / SSL (RFC 3207

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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

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SMTP PIPELINING and other ESMTP extensions; - secure TLS/SSL connections; - connections via a proxy server (SOCKS4/SOCKS5/HTTP); - S/MIME mail and certificates; - create DomainKeys/DKIM signature to pass through spam filters; - secure and user-defined ESMTP authentication (including NTLM and POP-before-SMTP); - Windows Integrated Authentication (using the current Windows user credentials); - accurate and flexible MIME builder; - compose HTML mails

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SMTP Preprocessor is advanced tool for mail administrators. It receives SMTP messages before corporate SMTP server, changes or rejects them on-the-fly, and retransmits result to the server. Wide range of settings allows to improve security and functionality of corporate SMTP server. The program keeps adjustable detailed log of all SMTP events, supports Greylisting, Tarpitting and some other technologies of mail filtering.

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SMTP Wizard +SSL v3 allows you to be able to send E-mail by accessing an SMTP server with minimal knowledge of how SMTP works and very little code. There are many features for simplifying tasks of accessing and utilizing an SMTP server and sending e- mail. The control talks directly with the SMTP servers and completely bypasses MAPI and any of the problems that MAPI has.(i.e. Security dialogs and other nuisances) SMTP Wizard +SSL v3 allows you to

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SMTP Object is a high performance, easy- to-use and full-featured SMTP COM Object (email component) which enables your ASP, VB, VC++, C#, VB.NET, ASP.NET, VBS, Jscript, WScript, Delphi or other COM environment application to send rich text/HTML email using the SMTP/ESMTP protocol. ANSMTP supports all operations of SMTP/ESMTP protocol and provides many advanced features as follows: - supportText/Html/Alternative body; - support Multiple attachments

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