I'm using mail filters in Thunderbird that move emails to specific mail folders (IMAP). After filters have been applied and unread messages have been moved to the folders, I open my Android e-mail app (e.g. Bluemail), it synchronizes, but it doesn't show that there are new e-mails that are located in subfolders. Only after I opened the folder directly I see the "new email" counter next to the folder name.


Is there any mail app for android that notifies about new, unread e-mails in subfolders from IMAP?

What I tried so far

  • BlueMail: support only for Exchange accounts, I contacted the developer. Perhaps it'll be implemented in the future)
  • Samsung Mail: the new email counter on subfolders increases only after direct synchronization
  • FairEmail: it synchronizes subfolders, but it's quite user-unfriendly
  • 1
    IMAP push only works for one folder so IMAP clients do not automatically check for mails in all IMAP folders. You usually have to configure mail checking for each folder you want to monitor. Not sure which Android mail apps support this.
    – Robert
    Feb 13, 2022 at 14:06
  • 1
    Try FairEmail, I am pretty sure it's possible (can't confirm since I don't use Thunderbird). If it isn't, ask the developer.. Extremely cooperative//forum.xda-developers.com/t/…
    – beeshyams
    Feb 14, 2022 at 4:26
  • In FairEmail app, long press the specific folder (s) which get populated based on rules and enable notify on new messages
    – beeshyams
    Feb 14, 2022 at 6:21
  • @beeshyams thank you for the recommendation. FairEmail works so far, but it isn't as user-friendly as other e-mail clients. I think I'll continue looking for a solution Feb 14, 2022 at 17:51
  • I have been through many of them and settled for fairmail. Yes, its a mission to set things up as the mind behind the design is weird. But looking at help invariably shows the solution. Nov 3, 2022 at 7:58

1 Answer 1


Samsung's E-Mail app (at least since supports synchronisation per folder and subfolder. Go to Settings -> SomeAccount -> "Folders to sync"

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