Email submission blocked when the account in "FROM:" field exists

Hello,

I've recently migrated from self-hosted IceWarp  version 11 to version 14. Almost everything works as expected, but on the new instance (v `14.1.0.14` running in docker ) but I am no longer able to either submit or receive emails that have in "FROM:" field with an account that currently exists on the icewarp server.

Example:
* domain `example.com`
* user `peter@example.com` set as a "static route" to different server

=>

#1 issue:

* **expected:** to be able to submit email with  `petr@example.com` in `From:` field from `Trusted IP's nd Hosts` servers
* **reality:** when the different / upstream / trusted server tries to submit an email with from field `petr@example.com` over the icewarp - it fails with security error

#2 issue:

**expected:** : the icewarp mail server should be capable of receiving an email with `From:` field with `petr@example.com` when email authentication is correct (SPF, DKIM, DMARC)
**reality**: you get a `501 5.7.1 <petr@example.com>... Permission denied` with any existing account no matter if the "Domain type" of the `example.com` domain is set to `Standard` /`Distributed` or `Domain alias`.

What I've tried:

* I've went through the API settings on both sides old/new - haven't find any issues
* I've tried to manipulate with the "Domain type" settings for `example.com` domain to no avail.
* This setting does not seem to have impact on anything: