Rich Mailer is a program to generate totally personalized mailing lists. In each list you create you can edit, modify or alter the addresses at any time.
The Rich Mailer user can use already predesigned templates to create their own mailing lists. There are also tools to apply filters, so you can locate set addresses more easily. It has utilites to find duplicated email addresses.
From the Rich Mailer interface you can also import addresses from other subscription formats.