I am trying to import subscribers from the contact list on the account used for the mailing list (email@example.com) The steps I did:
Export all contacts to CSV,
Than I tried to upload them, and that is when SM said it was an invalid file.
What am I missing, it seems exporting and importing inside of SM should word just fine.
Remember kids, every time a spam message gets blocked, a nerd gets their glasses. spamhurts/July 15