MarshallSoft Client Mailer is email marketing software used to send personalized email, newsletters, e-zines, and notifications to a permission based mailing list directly from a C/C+ program, programmable database or spreadsheet. Easily check responses for bounced email or replies (REMOVE, CONFIRM, OPT-OUT, etc). Send text or html email with multiple attachments. Supports SMTP & POP3 authentication, SSL/TLS, ISO-8859 and UTF-8 messages.