Mass, Bulk mailing. Built-in SMTP Engine. Multi threaded. Direct mail delivery. 300 mails at a time. HTML & text. Unlimited attachments. Auto Image embedding. Personalized mailing. Auto subscribe & unsubscribing. Import & Export of profile. Checks the validity of email instantly. Filter conditions. Outlook Address book compatible. Database compatibility. Priority setting. Life long up gradation. Only 260 kb. Just download and run. No installation. KingMailer is licensed as shareware, the cost of the registered version is $40 and full download size is 1.23 MB. You can download a free version of KingMailer by following download link at Free Downloads section of this page. KingMailer is developed or distributed by SharewareDreams and is listed under email mail mailing list mass mailers mssql.