Are there any related issues? ... What operating system are you using? ... What version of Mailspring are you using? ... -- Bug? Do you have any third-party plugins installed? If so, which ones? ... Is the issue related to a specific email provider (Gmail, Exchange, etc.)? ... Is the issue reproducible with a particular attachment, message, signature, etc? ... -- Feature Request? Does this feature exist in another mail client or tool you use? ...