Tool to filtering e-mail. Can be installed via:

sudo apt install imapfilter

Example configuration in ~/.imapfilter/configu.lua:

local posvic_eu = IMAP {
  server = 'mail.posvic.eu',
  username = 'my@posvic.eu',
  password = '',
  ssl = 'ssl3',
}

local test = IMAP {
  server = 'test.email.com',
  username = 'my@email.com',
  password = '',
  ssl = 'ssl3',
}

function print_subjects(o)
  for _, msg in ipairs(filter) do
    mbox, uid = table.unpack(msg)
    text = mbox[uid]:fetch_message()
    print(string.match(text, 'Subject:[^\n]*'))
  end
end

posvic_eu.INBOX:check_status()
posvic_eu.INBOX
  :contain_from('beacon-monitor@post.cz')
  :contain_subject('Beacon Monitor Disk')
  :move_messages(posvic_eu['Trash'])

test.INBOX:check_status()
test.INBOX
  :contain_from('support@2n.cz')
  :contain_subject('Ticket#')
  :move_messages(test['INBOX/Automat'])
test.INBOX
  :contain_from('apps@crashlytics.com')
  :contain_subject('Meeting Room')
  :move_messages(test['INBOX/Automat'])