We sent them an email asking them to check and complete the transaction, since the money was received in their wallet. But just now, after 5! days - I received a message that such mail does not exist!
support@sinbad.ioThree or four people have already asked you simple questions about the situation, and you haven't been able to answer with a simple "yes" or "no".
If your attitude is the same when trying to contact support, it will be difficult to help.
Allow me to try an alternative route. I send them an email to the address, let's wait if they replied me or if his transaction went through [whichever comes first]. If there's an issue with the email address such as what he described, my email should also be failed to reach them. If it does... well, we clarify at least one thing.