Visa, MasterCard, and American Express. For annual plans we also accept Paypal, checks, bitcoin, perfact money and wire transfers.
It is possible to begin with email campaigns at any time by creating a draft. When you are ready to ship your campaign, export your contacts in old email marketing service and then import them in a mailing list in your email efforts dashboard. After that you can send your email to everyone on that list.
Yes, you may choose a custom plan for bulk mailing according to your needs for sending business mail, promotional bulk mail, and much more.