TSSI .NET SMTP Component

TSSI .NET SMTP Component (TDNSC) provides an easy way to enable your .NET Framework supported programming/scripting languages (e.g. C#, VB.NET, J#, C++, A#, F#, .NET Delphi, .NET COBOL, P#, S#, and more) to send PLAIN/RICH messages based on the SMTP/ESMTP protocol. It provides all the traditional email elements/functions and many advanced features such as sending emails via the PROXY SERVER (supports the popular SOCKS5 protocol), designating the different Sender / Reply Receiver / Read Receipt Receiver addresses than the From address, checking email address format, ESMTP logon test, sending progress / errors monitor (via the related events), customizing sending time, and so on.

As you know, the .NET framework also provides the SmtpClient and MailMessage classes to send messages via SMTP protocol. After tried and compared the native classes and our SMTP assembly, you may choose our product because:

• The native classes are very hard to use, even creating an authentication required SMTP connection due to there are not user and password properties for SmtpClient class directly. You should use other authentication related classes to do this. Worse: creating a SSL connection with the authentication information.
• Need the TLS security connection.
• Need the proxy connection with related authentication information.
• Need convenient embedded images (local or remote) supported.
• Need (E)SMTP logon test before sending.
• Need the email address verification utility.
• Need the read receipt.
• Need the custom sender / reply receiver / read receipt receiver / sending time.
• Need the sending errors monitor via an class event.
• Need the sending progress monitor via an class event.
• In short, TSSI .NET SMTP Component is very easy to use, and all your needs are inside.

Version Release/Update Date	Features / Improvements	Bug Fixes
2.0 Jul 18, 2014	Important: optimized the sending speed. Important: supports the embedded images with "file:///..." format that generated by a few operating systems. Now, any embedded image will be shown in the receiver's email client / webmail. Important: uses the random "Message-ID" in the SMTP layer to avoid some email servers and / or ISPs treating your emails as junk or spam. Now, the delivery success rate is increased substantially. Supports TLS security connection (such as Hotmail SMTP server, important feature). Improved TLS protocol implementation (specially, supports Office 365 SMTP server (outlook.com)), important feature. Supports test the logon of (E)SMTP server. Complete Unicode supported. Can send the remote embeded pictures (e.g. HTTP images) for HTML email. Provides all the traditional email elements/functions and some distinctive elements/functions. Supports sending emails via the proxy server. Supports SSL security connection. supports the long subject, the previous versions cannot process the subject that exceeded 52 characters. Supports email format verification. Supports to check new version. Supports the Bcc feature fully. No longer provide the RegCode property for TSMTP class, now, we will deliver your purchased edition by a .zip package. Optimized the documentation.	Important: if the email has not attachment, but has the embedded images, some webmail systems will display the attachment icon in their messages listing, such as Outlook.com, Gmail. Important: outlook.com webmail can display the local embedded images. Sometimes, cannot send embedded pictures, background picture and sound (very important). Cannot send email by the non-authentication SMTP server.
1.1 Jan 18, 2008	Can send eMails successfully via all (E)SMTP servers (formerly cannot send eMails via a few (E)SMTP servers which require the hostname authentication (important update). Supports unlimited large attachment(s). Optimized the help document and a little interface text.	Fixed an important bug about RegCode property for Personal / Team / Enterprise editions.
1.0 Oct 11, 2007	New release.

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Subject: Recommend software - TSSI .NET SMTP Component: for developing the (E)SMTP based eMailing applications (from 'your name here')

Content:
Hi,

I'm using TSSI .NET SMTP Component, it's a powerful .NET SMTP component, and you can use it to develop the (E)SMTP based eMailing applications conveniently.

You should have a test!

Official page: https://www.automailsender.com/tssi-dotnet-smtp-component/
Direct download: https://www.automailsender.com/tssi-dotnet-smtp-component/tdnsc.zip