WorldCast is a free two-in-one tool: A free bulk email software and also an e-mail address validator. It detects many of the common invalid addresses that exists on many emailing lists, reporting errors like bad email addresses, time-out operations, etc., providing a detailed log of the entire delivering process. Features automatic subscription/unsubscription of email addresses, a syntax-oriented editor, mail merge capabilities, HTML editing and preview support, attachments,...