Hello @RobinH5873 ,
We're glad to see your interest in using our services. As a precaution, you will want to make sure the contacts signing up for this raffle are aware you'll be sending them emails if they enter. This will help with avoiding mass unsubscribes and spam reports, which can negative affect your sending reputation. As for a plan, if you're mainly going to be sending emails and that's it, then you'll most likely want to go with the base Email plan. In case you need it, here's a how-to on uploading contacts from a file.
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