Dear customer, there are several factors that can affect your message delivery

Below are some factors:

  1. The recipient's phone number is out of coverage or switched off.
  2. The recipient device inbox being full.
  3. Network challenges are the responsible operator's end.
  4. Wrong destination or recipient number.
  5. Your sender ID being blocked at the operator's end.
  6. Certain keywords in your message being blocked by end operators. Examples: MTN, MOMO, Mobile Money, GCB.

Please don't lose hope when you encounter this problem. All you need to do is to send an email to 

Please make sure to state your mNotify login number and the exacat date and time of the campaign and you will be assisted.