Mailbox User Properties > Mail Flow Settings Tab > Message Size Restrictions (RTM)

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Microsoft Exchange Server 2007 will reach end of support on April 11, 2017. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.

 

Applies to: Exchange Server 2007

Use the Message Size Restrictions dialog box to specify the size limit for messages that are sent or received by the mailbox user.

  • Sending message size

    • Select the Maximum message size (in KB) check box to configure a sending message size restriction for this mailbox user. Use the text box to type the maximum message size in kilobytes (KB) that the mailbox user is allowed to send. The value range is from 0 KB through 2,097,151 KB.

    • If the mailbox user attempts to send a message that is larger than the size specified, a descriptive error message is displayed and the send operation is stopped.

    • Clear this check box to remove the any size restrictions for sending messages.

  • Receiving message size

    • Select the Maximum message size (in KB) check box to configure a receiving message size restriction for this mailbox user. Use the text box to type the maximum message size in kilobytes (KB) that the mailbox user is allowed to receive. The value range is from 0 KB through 2,097,151 KB.

    • If a sender attempts to send a message to this recipient that is larger than the size specified, the message is returned to the sender with a descriptive error message.

    • Clear this check box to remove any size restrictions for receiving messages.