custommailer is a powerful, easy-to-use tool for sending customized email using mailing lists. its unique macro-enhanced mail merge beats merge-only mailers at tailoring messages. filters, tools, and rules let you precisely target recipients. supports file attachments, html mail, mailing list tools, address verification, flat file and sql databases, setup wizard, smtp authentication, and more. quick and user-friendly. features: * use macros to vary message contents, expand codes, detect errors, and set defaults. * send plain text or html mail messages with alternate plain text and self-contained images. * create, open, edit, sort, merge, partition, and filter mailing lists interactively or using macro rules. * per-recepient from, reply-to, and return-to with variable envelope return path. * record last date sent, number of times sent, send status, and detailed logs. * fully automatic, semi-automatic  (review/adjust each message), or test ("dry run") modes. * automated send feature for unattended operation. * multi-threaded send and direct (serverless) send (enterprise edition only). * fast, flexible, informative user interface, on-line help, smtp setup wizard, diagnostics.