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, spell-checker, Thesaurus, extensive filtering of the results, crash recovery, message attachments, etc. Using direct multi-threaded delivery, it ensures 100% usage of your connection capabilities. WorldCast as a bulk emailer acts like a self-sufficient SMTP relay, sending your customized message straight out to the recipient''s mail server (without using your ISP''s SMTP server, although it still offers the possibility to use any SMTP server). It has extensive mail merge capabilities . Given a certain emailing list, containing email, name and job, for instance, the software generates a customized email to each recipient. WorldCast as an email-address validator verifies an entire emailing list, reporting the bad and good email addresses. WorldCast accepts an unlimited number of projects, importing/exporting recipients (mailing lists) from dBase tables, text and CSV files, as well as address books. Working with huge recipient lists, it imposes no limits to the recipient list size. WorldCast is safe - If, for some reason, your computer hangs in the middle of some processing, it safely recovers it to the state it was before the crash.