Delivery has failed to these recipients or groups:

jngarira@telenet.co.ke
Your message wasn't delivered because the recipient's e-mail provider rejected it.

jngure@telenet.co.ke
Your message wasn't delivered because the recipient's e-mail provider rejected it.

The following organization rejected your message: mx.zoho.com.

Diagnostic information for administrators:

Generating server: AXIZJHBIMSVA01.AXIZ.COM

jngarira@telenet.co.ke
mx.zoho.com #<mx.zoho.com #5.7.23 smtp; 550 5.7.23 Sender's SPF Policy Failure> #SMTP#