Hey! I wrote a newsletter and scheduled it to send yesterday at 1235. It apparently started sending at 1236 but stalled out at 5% sent...and hasn't moved since. I've tried pausing and unpausing it, and this afternoon even clicked through all the update content screens...and nothing. It's still stalled at 5%.
I considered copying the campaign and resending it, but I don't want to spam the 5% of recipients who already got it. Any help would be great!