Mail-Enabling Contact Objects
To mail-enable a contact object, the Exchange Administrator must have the Exchange delegated role, Exchange View-Only Administrator (or higher) on the target administrative group. In addition, the Exchange Administrator must have Read and Write access to the following contact object attributes:
adminDisplayName
autoReplyMessage (ILS Settings)
displayName (Display Name)
dLMemDefault
homeMTA
internetEncoding
legacyExchangeDN
mail (E-Mail Address)
mailNickname (Alias)
mAPIRecipient
msExchADCGlobalNames
msExchFBURL
msExchHideFromAddressLists
msExchMailboxSecurityDescriptor
msExchPoliciesExcluded
msExchPoliciesIncluded
proxyAddresses (Proxy Addresses)
showInAddressBook
targetAddress (E-Mail Address (External))
textEncodedORAddress