You can use MaxBulk Mailer itself. Load or import your list to it then export it to a file. What you get is a perfectly formatted unicode UTF-8 file.
Hopefully MaxBulk Mailer v7 will let you upload lists to MLM directly. This is one of the new features we are working on.
Hopefully MaxBulk Mailer v7 will let you upload lists to MLM directly. This is one of the new features we are working on.