

In organization transport settings, edit the values of Maximum number of recipients, Maximum receive message size (MB), and Maximum send message size (MB).Navigate to Exchange Admin Center>mail flow>receive connectors>… (more) and click Organization transport settings.To do this, perform the steps one-by-one: After this, click Save.Įxchange Admin Center allows setting the email size limit flowing into the server. In the rule page, enter the details like name, message, filter, and other options.To set a rule for large attachments, go to mail flow>rules and click create a new rule after expanding +.Use of Exchange Admin Center to change the mail size limit Let us have an easier way to set these limits, through the Exchange Admin Center.

Thus, you can make use of Exchange Management Shell to manage the email size limit of your Exchange Server. New-TransportRule -Name LargeAttach -AttachmentSizeOver 10MB -RejectMessageReasonText “Message attachment size over 10MB – email rejected.” To check the Transport service emails limits, run this command: Check the current server limit on emails by running the following cmdlets. Use of Exchange Management Shell to change the mail size limitįirst, open Exchange Management Shell on your Exchange Server. Keeping these considerations in mind, let us understand how we can alter the default mail size limits in Exchange Server 2013. Users who are allowed to use more than current specified message size limits for sending/receiving emails.

