Hybrid Setup - Google as Primary, Zoho as Secondary

Hybrid Setup - Google as Primary, Zoho as Secondary

MX Records β†’ Point to Google (Gmail)
This means all incoming emails first land in Gmail.

πŸ“© Incoming Email Flow (from external sender)

  1. Email is sent to user@yourdomain.com.

  2. Your domain’s MX records point to Google, so Gmail receives the email.

  3. Gmail checks:

    • If the user exists in Google ➝ Delivers to Gmail inbox.

    • If not, Gmail forwards the email to Zoho (via routing rule or dual delivery).

πŸ“€ Outgoing Emails

  • Google user ➝ Sends from Gmail ➝ Email goes out via Google servers.

  • Zoho user ➝ Sends from Zoho ➝ Email goes out via Zoho servers.

πŸ” Internal Emails

  • Gmail ➝ Zoho user: Gmail forwards it to Zoho.

  • Zoho ➝ Gmail user: Zoho sends directly to Google.

πŸ” How to Do Message Trace (Email Tracking)

πŸ”Ή In Google Admin Console

  1. Visit: https://admin.google.com

  2. Go to:
    Apps > Google Workspace > Gmail > Troubleshooting > Email Log Search

  3. Enter:

    • Sender or recipient email

    • Date range

  4. Click Search

  5. You will see:

    • Delivery status (delivered, bounced)

    • Delivery path

    • Message ID

πŸ”Ή In Zoho Admin Console (for forwarded or internal Zoho mails)

  1. Visit: https://mailadmin.zoho.com

  2. Go to Email Logs

  3. Enter:

    • Sender or recipient

    • Date range

  4. Click Search

  5. You’ll see:

    • Delivered / Bounced

    • SMTP Logs

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