554 5.7.1 Email cannot be delivered. Reason: Email detected as Spam by spam filters.

554 5.7.1 Email cannot be delivered. Reason: Email detected as Spam by spam filters.

Hi I am using a sendgrid mail server, But recently it seems to be blocked by your side.

I'm getting this msgs:

MX: mx.zohomail.com server blocked this message from being delivered. While we won't try to send this message again, we will attempt to send new messages to this address in the future.


Full response from MX: mx.zohomail.com server:

554 5.7.1 Email cannot be delivered. Reason: Email detected as Spam by spam filters.