Configure IMAP4 message retrieval format options in Exchange 2013

Article Summary: This article contains information about configuring IMAP4 message retrieval format options in Exchange 2013

Set the IMAP4 message retrieval format at the server level

Use the EAC to set the IMAP4 message retrieval format at the server level
In the EAC, navigate to Servers.
In the list of servers, select the Client Access server, and then click Edit Icon.
On the server properties page, click IMAP4.

Under Message MIME format, choose from the following settings:

Text
HTML
HTML and alternative text
Enriched text
Enriched text and alternative text
Best body format
TNEF

Click Save.

After you've set the message retrieval format settings for IMAP4, you must restart the IMAP4 services for the settings to take effect.

Use the Shell to set the IMAP4 message retrieval format at the server level

This example sets the message retrieval format option to text only for all IMAP4 users on server CAS01.

Set-IMAPSettings -Identity CAS01 -MessageRetrievalMimeFormat TextOnly
 

 

After you've set the message retrieval format settings for IMAP4, you must restart the IMAP4 services for the settings to take effect.

Do the following to verify that you’ve successfully set IMAP4 message retrieval settings on a server.

Run the following command in the Shell.

Get-IMAPSettings | format-list

Verify the MessageRetrievalMimeFormat setting is correct.


Set the IMAP4 message retrieval format for a user

Use the Shell to set the IMAP4 message retrieval format for a user

This example sets the message retrieval format to text only for IMAP4 access for USER01.

Set-CASMailbox -Identity USER01 -IMAPMessagesRetrievalMimeFormat TextOnly

You can choose from the following settings. You can specify the value for the PopMessagesRetrievalMimeFormat parameter by using a numerical value or a text string.