Ask to enable Push during setup / default to Push

[magnus_]

I find the option to enable push notifications for folders (I guess IMAP IDLE?) a bit tricky to locate in Thunderbird.

Most mail clients I’ve used use IDLE by default if it’s supported, so a user switching to Thunderbird could expect to be notified of new emails instantly as well, and could be disappointed when that doesn’t happen.

I think the following would be good options to improve on that:

1. Add a toggle for the inbox (probably the folder most users care about) during the account setup process, perhaps in the sync options step, with a brief explanation of what IMAP IDLE does and its implications
2. Enable IMAP IDLE by default for the inbox folder for supported accounts

Personally, it took me quite a while to figure this out. I kept looking through Account Settings > Fetching Mail, suspecting either my configuration was broken or I’d missed the option. Eventually, after some skimming through GitHub issues, I discovered that the setting is actually in the side pane under Manage Folders for each account.

[Jon]

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[mozilly]

100% agree - this was super confusing for me. I'd also appreciate:

1. some kind of explanation about the tradeoff of why I might not want to enable push

2. understanding why even though I enabled push it still shows "poll frequency -> every hour" in my fetch email settings for that account. I'd think push should disable "poll frequency" / these should be located in the same place.

[Major-Mayer]

From my (off-topic) comment on this GitHub issue (I basically agree):

Maybe one could recommend the user, during the account setup or transfer from Thunderbird desktop, to enable push notifications for the inbox folder?
Of course, only when the server supports it.

At least for me, I was very confused that I don't receive push notifications at all until I found this very helpful article in the Thunderbird KB: https://support.mozilla.org/en-US/kb/configure-push-email-thunderbird-android
As a bare minimum, the setup wizard could link to this article and tell that it's possible to achieve instant notifications with Thunderbird Mobile as well.

By the way, FairMail, which I use mainly also enable push notifications by default.