Are there any related issues?

Did not find any.

What operating system are you using?

macos

What version of Mailspring are you using?

1.0.3

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Does this feature exist in another mail client or tool you use?

Yes

Please provide a reading pane below the messages pane.
A reading pane beside the messages pane wastes a lot of space. Space below the messages is

Method updateMetadataOnDisk tries to move metadata file while it is open. Also, os.Rename is used to replace previous file (if any).

General informations

• system/distribution (with version): Debian Buster
• offlineimap version (offlineimap -V): offlineimap v7.2.3
• Python version: v2.7.16
• server name or domain: Amazon WorkMail
• CLI options: nothing special

Configuration file offlineimaprc

[Repository WorkMail-Remote]
type = IMAP
remotehost = imap.mail.eu-west-1.awsapps.com
remoteuser = REDAC

When using default settings, users will experience fewer bugs. So when there are issues, resetting to the default can be a quick fix/workaround. And this can lead to better bug reports.

We did this in Tiki for http://doc.tiki.org/Site-configuration-preferences. I got used to it and miss it in other applications. Basically, it shows user which settings have been modified and lets them reset to

For mails which are not a thread but just single emails, the layout is a bit strange currently cause it shows too much info. Also it makes no sense to be able to collapse the only email.

So we could check what to do with the header there (possibly just not show the people bubbles in the header?) and probably block collapsing the mail.

currently, providers with the status DC_PROVIDER_STATUS_PREPARATION are shown in the same way as completely BROKEN providers, using a red-color. usually, red indicates an error, which is not quite true in this case.

idea of the status was to show DC_PROVIDER_STATUS_PREPARATION in some yellow warning color, and only BROKEN in red.

i suggest to use the background color #fdf7b2 and the forgro