David Oster aka George Pasparakis

Check here: http://support.ajenti.org/topics/700-/

Try it. I am using this method and I have no problems.

I don't quite follow you here. By the time you set a domain the mail configuration is done. Then you create individual emails under Mail tab. No other configuration can...

I am sorry but this is not what happens on my system (Debian + Ubuntu with the latest versions). I had my domain + website configured, eletter.gr a while back....

REWRITE: You are actually absolutely right! I did what you said and the passwords are rewritten!!! This is bad news!!!

Thank you!

@mikestp27 check here: http://support.ajenti.org/topics/1113-managing-ajenti-v-from-command-line/ I am not sure what the new update does but probably import/export of vmail settings?

@Eugeny question: is it feasible and preferable to change on courier/authdeamonrc the authmodulelist to use authmysql? Wouldn't that then solve any problems as the above?

I need to congratulate @janxb for this fine solution for changing emails, https://github.com/janxb/AjentiMailAdmin I have tested it here (http://emails.eletter.gr/), not with the true mail.json of course, at least yet and...

Well just a follow up not in terms of RancherOS but general use of Rancher. It appears that the Scaleway machine driver isn't available anymore at least on version 1.6.2...