had a user complain that all emails sent to a russian client are being baounced with the error message
Delivery has failed to these recipients or distribution lists:
Your message wasn't delivered because of security policies. Microsoft Exchange will not try to redeliver this message for you. Please provide the following diagnostic text to your system administrator.
The following organization rejected your message: fr58.aha.ru.
So was wondering if there was an issue with our server all other emails seem fine to email addresses in other countries.