Aellio has set up a very good professional emailing tool : WikiMail. This tool combines the strengths of WordPress and MailPress connected to Amazon Simple Email Services servers giving a simple and efficient online Newsletters e-mailing tool. It includes all MailPress functions without the burden of :
Setting up MailPress
Compatibility issues between WordPress version and MailPress version
Facing limitation of recipients number because of hosting memory limitation
Free trial without commitment for one month.
After one month free trial, unlimited number of emails can be sent at the price of 1 USD per 100 recipients per month:
Unlimited campaigns of newsletters can be sent to hundreds, thousands or tens of thousands of people.
Full offer covers free mail models, full statistics including geolocalization of recipients, scheduling of shipments, managing wrong addresses, duplicates, spam mailings, full one year history, etc.