IMAPS connections alive after Mailspring closure

Sync Issues
#1

Problem

As stated in the title, closing the client does not immediately close IMAPS connections. You need to wait 1-2 min.
As if the client didn’t send the FIN signal.

Context

Always

Email Provider

posteo.de and mailo.com

Setup

  • OS and Version: Arch
    • Installation Method: AUR
  • Mailspring Version: mailspring-bin 1.15.0-1