Google GMail is Blocking our Magento2 Invoice Receipts

Job ID: 32964896

Budget: $10 – $30 CAD

As of a few days ago, our emails are being flagged/blocked by all gMail accounts.
We need this fixed. We use Zoho Mail and I have admin access.
Please see exact error in the attachment.

Add MX7 (backwards) to your bid or it will be considered spam, ignored and removed.
Related categories: DNS Zoho Email Handling Email Developer