Mozilla Connect

This request is a duplicate of https://connect.mozilla.org/t5/ideas/check-for-new-mail-when-opening-the-app/idi-p/72633

The Inbox folder is now unified. Now we just need to do the same with the Drafts, Sent, Spam and Trash folders.

[Thunderbird] Add the option to synchronise email when opening the application. Some users do not want to receive emails on the phone at regular intervals; instead, we want to decide for ourselves when to check for new messages.Currently, to do this,...