I've added a repeating 2 weekly entry into my phone calendar.
I suspect they are saving money by not having to print versions for each collection day of week.
Recalling email is a "Microsoft outlook-ism" that isn't supported by all internet email programs.
"Dyer, Lovern" is presumably a secretary or comms/digital person allowed to write on leaders behalf. Either they peaked too soon, or there was a typo.