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Date & Time: 12/11/2020 @ 11:00pm (UTC+11)
Frequency: Once
World name: Tonberry
Character name: Xiomara Sage
Retainer name: N/A
NPC name: N/A
Monster name: N/A
Class/Level: N/A
Party or solo: Solo
In-game time: N/A
Area and coordinates: N/A
Housing: N/A
Steps:
1. Open mailbox
2. Open Letter from FFXIV Community Team containing the rewards from the Community Finder Release Campaign
3. Letter is in Japanese.
*Add more steps if necessary

This is the letter I received: