> On Oct 9, 2017, at 12:53 PM, Matus UHLAR - fantomas <[email protected]> wrote: > >> Indeed, only our servers are able to reach this MX. This is the normal >> behavior. > > then it shouldn't be an MX... maybe you mean in-path mail server?
There's no such rule, and the OP probably does not need such advice.
Let's stay on topic (likely closed for now, as the OP pursues the
issues that cause a malformed EHLO response).
--
Viktor.
