
K9-mail or Thunderbird no longer automatically check mails at scheduled time
both k9-mail and Thunderbirds no longer check mails at scheduled time ( i.e. every 30 minutes ) on my Galaxy S24+ 512gb Android phone. Its something happened in one of the lasr One UI or App updates but I don't know when. Thunderbird is a scratch new installation, with parameters imported from previous k9-mail installation. I tried to set/reset some synch parameters but without success. All Apps have/had full notification permissions. Please help