Gmx not working, smtp error

Description

Screenshots

Setup

  • OS and Version:
    • Installation Method:
  • Mailspring Version:

Additional Context

First time using Mailspring, using gmx, and I cannot use it at all, not very promising.

“The SMTP server would not relay a message. You may need to authenticate. (SMTP)View Log”

RCPT TO:email@invalid.com
451 Requested action aborted: local error in processing

SASL_PATH: /usr/share/mailspring/resources/app.asar.unpacked

SMTP Last Response Code: 451
SMTP Last Response: Requested action aborted: local error in processing

Mailspring: Last version .deb (can’t even open the menu since it’s the first time using it)
Distrib: PopOS 22.04

Duplicate, please see

I’m on linux, not windows

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