Absolutely not, you can be fully confident that your lists will never be sent to your recipients. By default MaxBulk Mailer sends your messages individually, in other words, it sends them to each recipient one by one. This is how the 'Singly' mode works, it is like if you were sending yourself the messages manually one by one with Outlook, Mail or Entourage. The recipients will always receive fully customized e-mails with their data properly placed in the To header exactly if they were addressed only to them. Actually it is impossible to distinguish a message sent with MaxBulk Mailer from one sent with Outlook, Mail, Entourage or any other e-mail software. In addition, because e-mails are sent one by one, you can use tags to insert custom recipient's info inside the subject or the body of the messages.
Now, if you uncheck the 'Singly' box, the whole list is sent to your server but remains hidden to the recipients thanks to a custom To header set to 'undisclosed recipients'. Actually thanks to that header the list is not sent to your recipients at all so again you can be fully confident that your lists will never be made public. This is Bcc mode (aka bulk mode), a delivery mode highly recommended when sending big attachments however it doesn't support the use of tags.
MaxBulk Mailer is a full-featured and easy-to-use bulk mailer and mail-merge software for macOS and Windows that allows you to send out customized press releases, prices lists, newsletters and any kind of text or HTML documents to your customers or contacts.
MaxBulk Mailer is fast, fully customizable and very easy to use. MaxBulk Mailer handles plain text, HTML and rich text documents and gives full support for attachments. With MaxBulk Mailer you will create, manage and send your own powerful, personalized marketing message to your customers and potential customers.
Thanks to its advanced mail-merge and conditional functions you can send highly customized messages and get the best results of your campaigns. You also have support for international characters, a straightforward account manager with support for all type of authentication schemes including SSL, a complete and versatile list manager, support for importation from a wide range of sources including from remote mySQL and postgreSQL databases.
MaxBulk Mailer is a software tool that you purchase once, no need to pay on a per-email basis to submission services!