Microsoft Exchange Email vs. IMAP Email

 

Feature
Exchange ActiveSync
IMAP4
IMAP Client for iPhone
Email Push Email

HTML Email Formatting

Attachment Download

Search

Yes

Yes

Yes

Yes

Yes (through IDLE command)

Yes

Yes

Yes

No - pull email only

Yes

Yes (view only)

No

Calendar Calendar Sync

Accept/Decline meeting
requests

Yes

Yes

No

No

No

No

Contacts Contact Sync

Global Address List
(GAL) lookup

Yes

Yes

No

No

No

No

Tasks Task Sync Yes No No
Out of Office Out-of-Office (OOF)
email settings
Yes No No
Document
Access
Fileshare (SMB) and/or SharePoint Document
Library Access
Yes No No
Security Enforce security policies
to protect data on device
Yes No No

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