How to add a second microsoft exchange account on iPhone / iPod touch?
If you were one of those who wants to add a second Exchange account to your iPhone or iPod touch, things just got simpler. This free utility via Cydia would do the trick. Add Exchange adds one extra exchange account on your iPhone or iPod touch for you to configure.
After installing Add Exchange all you need to do is launch that app once and click the + button there. A new exchange account would now be accessible at: Settings > Mail, Contacts, Calendars > SRV2
Works with iPhone OS 3.0+. Search “addexchange” on Cydia.