Keep Zakat separate: setting up Zakat, Sadaqah and Lillah causes
Donors trust a masjid that can show where Zakat went. Here is a simple cause structure that keeps obligatory giving apart from general funds from the very first message.
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Zakat & Sadaqah
Zakat, Sadaqah, Ramadan appeals and donor care: practical guides for masjids raising funds on WhatsApp.