Using bulk SMS marketing can be an effective way to keep donors informed about the impact of their donations. Here are some tips to help you get started:

1. Build a targeted list: Create a list of phone numbers belonging to your current donors. Segment your audience based on donation history, frequency, or amount to personalize your messaging.
2. Use a personal tone: Use a personal tone and language that connects with your donors. Address them by name and thank them for their continued support.
3. Provide updates: Keep your donors informed about the impact of their donations. Share details of how their donations have helped your charity achieve its mission or provide specific examples of how their donations have made a difference.
4. Use clear and concise messaging: Keep your messages short and to the point. Use language that is easy to understand and avoid jargon or technical terms.
5. Include a call to action: Encourage your donors to continue supporting your charity by including a clear call to action, such as “Donate again” or “Share our message with your friends.”
6. Provide exclusive content: Give your donors access to exclusive content, such as behind-the-scenes updates, stories of the people they’ve helped, or early access to events.
7. Timing is key: Send your messages at a time when your donors are most likely to be receptive. Avoid sending messages during times of the day when they are likely to be busy.
8. Use a reliable SMS service provider: Choose a reliable SMS service provider to ensure that your messages are delivered promptly and efficiently.
   By following these tips, you can use bulk SMS marketing to keep your donors informed about the impact of their donations and maintain their support for your charity.