The best email marketing for gambling or casino businesses
So your looking for tools that allow you to use gambling or crypto content. The following all allow it and are flexible on this content as well as crypto content.
Editors choice: SENDX
SendX does allow it and is flexible on all kinds of gambing or crypto content. It specifially says it does allow for this content and includes AI deliverability.
2.Kit
Kit, which used to be convertkit allows for gambling content. It is very open and has a bunch of automation features
3.Mailmodo
Mailmodo does allow it, but is expensive and hard to use.