Periodically move unseen junk emails to inbox. This is to against Outlook's overly aggressive spam detection.

$imapfilter.lua

-- Ignore this file.
-- https://stackoverflow.com/questions/19896900/how-to-change-the-name-of-a-gist-in-github/19904644#19904644
-- https://stackoverflow.com/questions/17665267/how-do-you-control-the-order-in-which-files-appear-in-a-github-gist/17668995#17668995

docker-compose.yml

services:
  main:
    build: .
    restart: always

Dockerfile

FROM debian:bookworm-slim

RUN apt-get update && \
    apt-get install -y imapfilter ca-certificates

WORKDIR /app

COPY ./imapfilter.lua ./run.sh /app/

CMD ["/usr/bin/bash", "/app/run.sh"]

imapfilter.lua

a = IMAP {
  server = "outlook.office365.com",
  username = "LOGIN@outlook.com",
  password = "APP_PASSWORD", -- refer to https://support.microsoft.com/en-us/account-billing/how-to-get-and-use-app-passwords-5896ed9b-4263-e681-128a-a6f2979a7944
}

a['Junk']:check_status()

r = a['Junk']:is_unseen()
r:move_messages(a['Inbox'])

run.sh

while true; do
  imapfilter -c ./imapfilter.lua
  sleep 3600
done