I can email my Exchange Server 2010 public folders externally with no issue, but if I try and email the same email addresses internally, nothing happens, nothing is delivered and the following comes back.
Delivery is delayed to these recipients or groups:
New Funds (NewFunds@domain.com) <mailto:NewFunds@domain.com>
Subject: Class F
This message hasn't been delivered yet. Delivery will continue to be attempted.
The server will keep trying to deliver this message for the next 1 days, 19 hours and 59 minutes. You'll be notified if the message can't be delivered by that time.
ExchangeEmail ServersMicrosoft Server OS
8/22/2022 - Mon
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