I can not receive emails on gmail

I can not receive emails on gmail

Hi,

I have an email account configured en Zoho mail with my domain medico@alerasin.com, I configure it to in my gmail account because I want to receive the emails send it to medicos@alerasin.com, If I send a email from my gmail account to medicos@alerasin.com work but if I send from another account to medicos@alerasin.com I dont receiveit in gmail.

I configured pop, smtp in gmail gmaieverything

Help

José