No OPENSSL_Applink error with mailbox.org

Description

When trying to add a mailbox-dot-org IMAP account I get the following error:

Waiting for Account JSON:

Waiting for Identity JSON:
info: Identity created at 1608854327 - using ID Schema 1

OPENSSL_Uplink(59E2D878,08): no OPENSSL_Applink

To Reproduce…

Steps to reproduce the behavior:

  1. At the ‘Connect an email account’ screen, select IMAP / SMTP
  2. Enter username, email and password
  3. Provide the following IMAP / SMTP account details: Setup other e-mail clients manually - Private Clients - mailbox.org Knowledge Base
  4. See error:

Waiting for Account JSON:

Waiting for Identity JSON:
info: Identity created at 1608854327 - using ID Schema 1

OPENSSL_Uplink(59E2D878,08): no OPENSSL_Applink

Expected Behavior

IMAP/SMTP account is added

Screenshots

Setup

  • OS and Version: Windows 10 20H2
  • Mailspring Version: 1.8.0

Additional Context

mailbox.org provide free 30 day trial accounts if you need one for debugging this.