Google Message Security Troubleshooting Guide Bedienungsanleitung PDF herunterladen (Seite 55)

Mail Flow Troubleshooting 57

Mail Flow Troubleshooting

Chapter 2

Mail Flow

Why am I not getting any mail at all?

Follow these steps to find out why you can’t receive mail from any outside sender.

Stages of Mail Flow

Before you begin troubleshooting mail flow, be sure you understand how

messages normally flow from a sender to your server through the message

security service. Then you can find out at what stage the failure is occurring.

This graph shows the normal steps of mail flow:

1. The sender connects to the email security service and sends the message.

2. The email security service filters the message for spam, viruses, content and

attachments.

3. The email security service sends the message to the recipient server.

4. The recipient server delivers mail to the user.

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Google Message Security Troubleshooting Guide Bedienungsanleitung Seite 55