I'll start with I play on PC and I don't use any mods. I started a new character for the event, a single female living in Willow Creek. I was able to do the event through the planting of the flowers ...
Ideas
I am having the same issue.
I removed mods / did a new save / repaired the game and still no sign of the newsletter ever. I have completed the Assistant to the grim reaper but the a call away never showed up and even with mods removed and game repaired it still has not shown up .-.