Blacklist – a stop list for sending bulk messages. A list of phone numbers to which messages from all created distributions will not be sent.
Accompany the message with a file, for example, by attaching an image to the text with a promotion, a price list to the goods/services offered, a presentation with a schedule, etc.
Supported file formats: jpeg, png, pdf, doc(x), xls(x), gif, mp4.
Distributions according to your scenario: one-time or regular for cyclical sales.