<div>
On prem server exchange 2010 <br />
later yes<br />
&nbsp;<br />
<br />
i would like to add that we have dirsync
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On prem server exchange 2010
later yes
 

i would like to add that we have dirsync

<div>
<div class="content wysiwyg-content">
Unable to relay<br />
<br />
we have fax emai (faxcore) system - it stop working for users who where migrated to office 365 other users continue to work who are on prem<br />
<br />
any ideas what i am missing?.
</div>
</div>


Unable to relay

we have fax emai (faxcore) system - it stop working for users who where migrated to office 365 other users continue to work who are on prem

any ideas what i am missing?.

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Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.