Capitec is holding the money

Hi there, I sent money from my Standard Bank account to my mother’s Capitec account, which a few minutes later she sent to the landlord to pay rent. She got the proof of payment saying the money went out but the landlord did not receive the money even the balance is not reflecting now. When she called Capitec, they took her from pillar to post and told her the ***** department is holding the money, what gives Capitec that right? To hold money without even giving reason? She has proof of where the money is coming from and where it’s going, why not make a phone call and confirm this with her. Now the landlord is threatening to kick us out because of your stupid and ridiculous reasons. Please release the money I can send you proof from all sides that this money is not ****** somewhere.