Yes, if you are on a Streak Pro, Pro+, or Enterprise plan, you can share pipelines and boxes with other team members who have either a Gmail or Google Workspace email account.
Streak authenticates the primary email address in your account and not email aliases.
Each unique email account is considered a unique user in Streak
You can share pipelines and boxes with another Gmail/Google Workspace account by adding them as a user on your Streak team.
Once they accept your team invite, shared pipelines and boxes will be available in their account.