Is there a way to eliminate requiring email confirmations?

Yes.  Under the Events page, in the Settings tab | Emails sub-tab, under the Volunteer Emails heading, there is a dropdown box with three options: Confirmation Required Once Confirmation Always Required Confirmation Never Required Selecting “Confirmation Never Required” will eliminate email confirmations. NOTE: We do not recommend choosing “Confirmation Never Required” for normal use.

What is the fastest way to send an email (besides the standard reminder) to one event’s group of volunteers?

Signed in as the Administrator, click on the Reports tab and click on the Participants Report.  This will give you a list of all the volunteers for the events selected, as well as their email addresses.  You can then select those emails, copy and paste the addresses into the To field in your email program (or into the…