Creating the outbound SMTP access rule
Use the following procedure to create an outbound SMTP access rule.
To create an outbound SMTP access rule
In the console tree of Forefront TMG Management, click Firewall Policy.
On the Tasks tab, click Create Access Rule. Use the wizard to create the rule, as outlined in the following table.
Click Apply in the details pane to save the changes and update the configuration. It may take a few minutes for the rule to be applied.
Note
Remember that access rules are ordered, so if a deny rule matching SMTP access requests exists ahead of this allow rule, access will be denied.
Send a test e-mail message to a user on the Internet and confirm that the user received the test e-mail message.
| Page | Field or property | Setting |
|---|---|---|
Welcome |
Access rule name |
Type a name for the rule, such as Outbound SMTP. |
Rule Action |
Select how client requests for content will be handled. |
Select Allow. |
Protocols |
Select the protocols to which this rule applies. |
Select Selected Protocols. To add the SMTP protocol to the list, click Add. In the Add Protocols dialog box, expand Common Protocols, and then select SMTP. Click Add, and then click Close. |
Access Rule Sources |
This rule will apply to the traffic originating from the specified sources. |
Add the computer object that was created in the previous section (for example, SMTP Server). Click Add. In the Add Network Entities dialog box, expand Computers, and then select the correct computer object. Click Add, and then click Close. |
Access Rule Destination |
This rule will apply to traffic sent to the specified destinations. |
Add the External network to the list. Click Add. In the Add Network Entities dialog box, expand Networks, and then select External. Click Add, and then click Close. |
User Sets |
Specify a user set. |
Leave the default option of All Users. |
Completing the New Access Rule Wizard |
Review settings. |
Click Back to make changes, and click Finish to complete the wizard. |