Email not delivered to Huawei infrastructure

Summary

Emails, for example from mailing lists, frequently aren't received by recipients with Huawei mail addresses.

Steps to reproduce

A recent example: https://www.eclipse.org/lists/oniro-dev/msg00089.html wasn't received

What is the current bug behavior?

Mail isn't delivered

What is the expected correct behavior?

All mail should be delivered correctly

Relevant logs and/or screenshots

The issue is being raised with the other side too, but worth an investigation if there is anything in the logs from Eclipse side.

/cc @agherzan