We have web based Email Marketing Application, Which is multiuser application which will help you to organize your list of emails.
This application can be setup via your gmail id, you can add any number of gmail ids in this to send email newsletters with good openrate
You can create email newsletter by drag and drop designer and start sending emails to your list
If you want we can provide you service which you just need to sit and relax, we will be able to help sending newsletter on your behalf
When you send emails via gmail ids, you get very good openrate, our email openrate is average 20%