Check forms for missing details, return them for correction. Every one is ready to run, and you can adjust it in plain language.
Send approved donor emails to eligible supporters and log exceptions.
Your mail merge goes out on the date you choose, using current spreadsheet rows. You get a send log and a list of rows to fix.
Send approved donor messages and flag duplicate addresses.
Your group mailing goes out from the team mailbox, with duplicate addresses skipped and a reply showing sends and exceptions.