Advanced Bulk Mail Plus is a powerful bulk emailing program and it has a built in Mail server (SMTP server) so you cant send your Bulk mail directly from your own PC, you can also use an external mail Server if you choose to.Fast delivery Advanced Bulk Mail Plus has its own built-in SMTP server. This allows you to bypass your ISPТ‘s server and deliver messages directly to the recipientsТ‘ inboxes. It also uses multi-threading, which means you can send mail using multiple connections at the same time. Secured delivery Advanced Bulk Mail Plus delivers email without using any other servers. That means the message is not logged or stored on any servers other than the receiving one and is available only to the recipient.