1

SMTP Transport Configuration

• SMTP Configurations and Virtual Servers

• Customizing the SMTP Service

2

SMTP Configurations and Virtual Servers

• Configuring additional Simple Mail Transfer Protocol (SMTP) servers

• Managing incoming message traffic

• Global settings

• SMTP virtual server settings

3

Multiple SMTP Virtual Servers

4

Incoming Message Traffic

• DNS MX and A Records are required for successful message delivery.

• Recipient policy configuration is required for successful message delivery.

5

Configuring a Recipient Policy for Additional SMTP Addresses

6

Global Settings

• Internet Message Formats container: Defaults object

• Message Delivery object settings

7

Default Message Delivery Settings

8

SMTP Virtual Server Settings

• General tab

• Access tab

• Messages tab

• Delivery tab

9

Defining a Filter on Global Settings

10

Applying Filtering to the SMTP Virtual Server

11

Controlling Message Relay

12

SMTP Virtual Server Message Settings

13

Forwarding Unresolved Recipients

14

Configuring Delivery Options

15

Reverse DNS Lookup

16

Smart Host Message Relay

17

Customizing the SMTP Service

• SMTP transport event handling of the OnArrival event

• Protocol event handling

• Event binding

• Using transport event sinks for virus protection

18

SMTP Transport Event Handling of the OnArrival Event

• To add standard notifications to incoming messages

• To block unsolicited messages

• To create mailing list services

• To set up incoming message logging

• To redirect messages

• To perform virus checks

19

Protocol Event Handling

• Inbound protocol events

• Outbound protocol events

20

Event Binding

• Use SEO.DLL to manage event sink bindings.

• Use MetaEdit to view event sink bindings.

21

Chapter Summary

• SMTP Configurations and Virtual Servers

• Customizing the SMTP Service