Issue With Creating New 22.04 Machine for Upgrade - Not a valid email address

[william.blair]

lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 22.04.3 LTS
Release:        22.04
Codename:       jammy

uname -a
Linux box.hostname.com 5.15.0-89-generic #99-Ubuntu SMP Mon Oct 30 20:42:41 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux

Following guide from Mail-in-a-Box Maintenance Guide & Mail-in-a-Box Setup Guide

I get to the point where I run curl -s https://mailinabox.email/setup.sh | sudo -E bash and then when prompted to input an email address, I get:

Not a valid email address

[dms]

Can you provide a screenshot or the email address you’re trying to create?

[emnity123]

its a gui typa thing where u enter ur email address , just when u press enter an error will pop up with no module names email_validator …

[william.blair]

[miabuser]

This may be a silly question, but you don’t actually have an underscore in your domain name, do you?

[william.blair]

No, it’s an example placeholder.