SonicWALL OS 2.x quick start Select the ALLOW radio button

Sonic OS 2.x Quick Start Guide

1.Click the intersection of the WAN (on the left) and LAN (on the top) to display any rules applicable for incoming packets from the WAN to the LAN.

2.Click ADD, to create a new entry in the WAN > LAN ruleset for our Mail Server.

3.Select the ALLOW radio button.

4.For Service, select SMTP (Send E-Mail). We only want to allow E-Mail in to our mail server.

5.For Source, select ANY. Allow incoming E-Mail from any location.

NOTE – Unlike the 6.x firmware, the firewall rule is written for the routable WAN IP address, not the private IP address of the Mail Server.

6.For Destination, select WAN Primary IP. All incoming mail is being sent to the IP address assigned to the WAN interface.

7.For Users Allowed, select all. You should not restrict E-Mail by using User Level Authentication.

8.For Schedule, select Always On. We want to always allow incoming E-Mail.

9.Add your own comments as desired.

10.Click OK to add the new firewall rule.

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