* MailBee.NET SMTP enables .NET applications to compose, mail merge, send mail to SMTP server (including SSL/TLS like Gmail), submit to IIS queue, or directly send via DNS MX lookup. MailBee.NET SMTP supports proxy servers, HTML with embedded pictures, send web page, DomainKeys signatures, charsets, SMTP authentication (including NTLM), attachments, custom headers, mail merge over database, read/delivery receipt, XML, streams. Royalty-free distribution.