Supports multiple recipients, email (MIME) attachments, AUTH and NTLM authentication, HTML email, custom headers, embedded objects, SSL, base64 and quoted-printable encodings, international characters and Unicode.

OSSMTP.dll is a COM library. Use it with Visual Basic 6 and earlier, VBA, VBscript, Javascript, MS SQL server and other programming languages and environments supporting COM.

OSSMTP_Plus.dll is a .NET library. Use it with C#, VB.NET and other programming languages and environments supporting .NET.

By using OstroSoft SMTP Component you agree to terms of License Agreement.

Installation

1. download OSSMTP.zip

2. extract downloaded file to a local directory

3. if you are planning to use OSSMTP.dll, copy it to your system directory and register with regedt32

4. if you are planning to use OSSMTP_Plus.dll, copy it to a root directory of your .NET project

Non-commercial license	free
Unlimited usage for developing non-commercial applications.

Developer license	$19.00	(purchase)
For a single programmer to develop and distribute a single commercial application.

Server license	$59.00	(purchase)
For use in a commercial application, installed on a single server.

Enterprise license	$139.00	(purchase)
For programmers within a company to develop and distribute an unlimited number of commercial applications.