Exchange 2010 - How to configure multiple email accounts on Apple\Android devices

Hello all -

We have three internal domains, two which contain the current logon accounts and the new one to which we will eventually migrate which currently just holds the new Exchange 2010 server and a DC.  We are migrating from Rackspace hosted email.  All of my top-level users have accounts in up to six external (email) domains which they have configured on multiple devices as well as home computers.  Rackspace does not force them to ever change a password so the solution was workable.  We have now begun the migration process but after having configured the internal email accounts for these users by giving their one domain logon account full access permissions and send as rights, we are discovering that we cannot configure all of these accounts (either via ActiveSync or IMAP) on their external devices (especially the Apple ones) as it specifically looks at the fully qualified logon account and sees it as already configured.

I had considered just using the accounts in the Exchange domain and just setting the passwords to never expire but then we'd never pass another audit.

Suggestions?  Ideas?
lawgeek45Asked:
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Patrick BogersDatacenter platform engineer LindowsCommented:
Hi,

Mobile devices and Exchange can be a pain.
I would give every user one main Exchange account for which passwords expire every few weeks.
NeXT i would configure all other accounts to forward mail to this main account. For this other accounts you can set passwords to never expire.
lawgeek45Author Commented:
I offered that to the boss but they need to see them as separate accounts everywhere including the mobile devices.
Patrick BogersDatacenter platform engineer LindowsCommented:
Pff here we have the boss again :) Send him this link *joke* :)

Then your only way out is enabling pop3 services and have all mobile accounts pop their mail. Shame the boss for not seeing the overhead(=costs) here.

OR you could host the mail at your hosting company and have people pop3 to them, saves you overhead and backupspace.

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