Groups make it easy to email the right people and manage access to files at Oak Grove Scouting. Email sent to a group is received by that group's members—see the Directory. Sharing files once to groups, instead of individuals over time, simplifies personnel changes.
Visit: groups.google.com
Ask someone already in a group to add you as a member. See: Add people to your group - Google Groups Help
Be a member of the group, confirm at groups.google.com
Configure your email client to “send as”
Gmail
Send emails from a different address or alias - Gmail Help
For "Name", use your role (such as "Committee Chair ST77"), not your name
For "SMTP Server", use "smtp.gmail.com"; for "Username", use your Google Account
If your password fails (you use 2-Step Verification), use an app password
Create a Gmail signature - Gmail Help
Create a default signature for your "send as" email address, such as:
-- Dave Barker
Committee Chair of Venturing Crew 77 at oakgrovescouting.org
In the Gmail mobile app, per-"send as" signatures are not available