This is a software tool that helps send marketing mails from C/C++ applications, database or a spreadsheet.

MarshallSoft Client Mailer for C/C++ (MCM4C) is a communication component DLL library used to send personalized email to your clients or customers directly from a Visual C++, .NET or C/C++ application program, programmable database or spreadsheet. You will be able to send text or HTML mail directly from an application, programmable database or spreadsheet. The mail could be personalized, even what attachments go with each mail can be personalized. The mail items could carry multiple attachments in each. By way of its ability to use several character sets it will let you mail in several languages. These character sets that include ISO-8859, WIN_1252, WIN_1255, and UTF8 character sets besides the usual ASCII set. Organizations, professionals, clubs, e-publishers, and individuals can use the Client Mailer to keep in contact with their customer base.

The bulk mailer included can handle SMTP (ESMTP) and POP3 authentication as well as servers that require SSL/TLS. It uses up to 32 simultaneous connections when sending bulk mail. This will automatically handle several replies such as “undeliverable mail”, "REMOVE","CONFIRM","OPT-OUT", etc. Error handling along with logging capability is available. Sample programs of “SendMail” and “GetReply” example program with source are included in the delivered package. The tool will work with all versions of Microsoft Visual C++ (v4.0 through Visual Studio 2010), Borland C/C++ (v5.0, v5.5) and Borland C++ Builder as also Microsoft Foundation Class, Watcom v11, MinGW, and LCC-WIN32. MCM functions can be called directly from both ANSI C programs and from C++ programs. This is a very good product and if you are looking for a tool like this, this could be it.