I trust you are well,
Kindly note that you need to configure your emails according to specification and check that your internet connection is live.
Kindly follow below links for setup assistance:
How to set up emails on an Android mobile device
If you require further assistance,
please send a message to our WhatsApp helpline: https://whatsapp.afrihost.com
or visit our Help Centre: https://help.afrihost.com/
or see our FAQ page: http://faq.afrihost.com