replying to non-existing subdomain

[StilFari]

#142885

Hi,

We have a domain, abc.org.
We have an external website http://test.abc.org. People can send and receive emails to / from that site (it has a built-in email server).

If the user from our domain sends an email to [email protected], the emails are sent fine.
if they reply to an email sent from [email protected], the addresses are modified to [email protected] and they get a NDR if they try to reply to it.
So far, the solution is to manually change the address they want to send to.

What should I do so that they can just hit “reply” and the addresses are correct? Would the creation of a subdomain fix the problem?

Thanks in advance

[Author]

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