Under advanced features
in the email settings you can change the broadcast frequency. You specify a time period members have to wait between broadcasts.
You also have the ability to specify the limit with a Tool Truck when editing the membership. When editing the membership you have the option to make it unlimited for that specific membership.
, it can send emails to everyone including suspended members. There is an option where you can select if it should include suspended Members or not (and also an option to email only suspended Members).
, there is a section called "Manage Email Templates" where you can create email templates to use multiple times.
Once you've added an email template, you can use it by clicking the red email icon in the editor.