Relaying disallowed. Invalid Domain - admin@ecotempclimatizacao.com.br
Relaying disallowed. Invalid Domain - admin@ecotempclimatizacao.com.br
I can't send email and error: "Unable to send message; Reason: 553 Relaying not allowed. Invalid domain hanh@theatlantic.com.vn " Please help me.
I've already added the CNAME with hostname " zb15022208" and point it to " zmverify.zoho.com "