I can send e-mail from zoho, but when I reply them from my Gmail I get Delivery Problem Message, as if zoho mail didn't existed

I can send e-mail from zoho, but when I reply them from my Gmail I get Delivery Problem Message, as if zoho mail didn't existed

Hi

I can send e-mail from zoho, but when I reply them from my Gmail I get Delivery Problem Message.

Its quite akward; I really don't know what to do to solve this issue.

Has someone had the same problem?

How can I fix it? I have no ideia about how to solve it =((((

So sad!