Ability to "mass email" from a mirrored email column

Description

I have several boards that mirror columns to pull in data from other boards, including email addresses. I’ve been trying to do a mass email and just learned from the online support chat that I can’t mass email if the email column is a mirror - only if it is a native column. This seems like a pretty basic function to expect from a CRM and hope someone can help sort this out, or let me know if myself and support are wrong and there is a way.

What are you trying to achieve

Mass email from a board that pulls email address from a mirror column.