The Global Mail Rules is for the administrator to further refine their email traffic. It is applicable on the incoming email sender's email address.
You have to login as Avomaster/voadmin in order manage these mail rules.
Go to Profile → Admin Task → Global Email Rules to access the configuration.
The following will allow all email from yahoo.com to get pass:
Note that the “*” sign is very important here.
The following will mark all emails from somedomain.com as Junk:
The following will reject (stop delivery) of all email coming from hotmail domain.
Note that the * at the end will basically block all hotmail domain including:
hotmail.com, hotmail.net or hotmail.cc
The following will allow one person email@example.com to pass the rule:
pass firstname.lastname@example.org junk *@domain.com
This would basically block all other email from domain.com other than email@example.com.
However, pay attention that the pass rule must place before the junk (or reject) rule, or else it will not work this way.
Action tags available:
pass Let the email pass. The Junk ranking will set to 0.
reject (or block) Reject the email, not going into the delivery system.
junk Deliver the email, with Junk rank set as 5 at least.