Log into your Sendmail Switch web configuration program.
If you don't have an existing configuration, click New
Configuration. Create a new configuration before continuing. Click Edit
Existing Configuration.
Load the Sendmail Switch configuration file. An example configuration file may resemble the
following: sendmail_switch.m4.
Scroll down to the bottom of the page. On the sidebar, click Mail
Filtering.
Click Add to include a new filter.
There are two input fields: one is Filter Name, the other is
Filter Equates. Type Policy into the
Filter Name field. Type
S=inet:9999@pmxhostname.foo.com,F=T,T=C:5m;E:8m;R:4m;S:2m into the
Filter Equates field. Milter parameter configuration is further
described in the topic "Configuring milter parameters for sendmail" in the Sophos
Knowledgebase.
Click Apply.
Once the changes are applied, click Deploy to update the
sendmail.cf file.
From the lower right side of the page, click Deploy.
A confirmation screen with deployment results is displayed.