That is what they are saying - if that information is not provided to you by MailCruiser you will probably need to get that information from the IT department at the school.
Additionally - as BERRYONE Stated - if you can not get it set up via BIS or BIS Work Account...chances are it can not be set up.
No one seems to be very familiar with and/or have the specific information you are requesting.
I will do some searching to see what I can come up with simply because I have never heard of this program and would like to know more.
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