Incoming Message and Outgoing Message

Incoming Message and Outgoing Message

Hi, I am recently trying service desk for my company. When I try in my local computer, it works well. But when I implement it in the server, I configure the same settings as I did in my local computer, the application cannot send outgoing message. It says "Send Notification Failed". Also sometimes I have trouble with the incoming message. Some emails are not appearing in the application, whereas the email have already been deleted in the original one. Please, anyone can help? Thank you

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