Increase Receive Connector Limit Exchange 2007

In any case, the setting MaxMessageSize, which has a default of 10 MB in Exchange 2007, is the parameter that needs adjustment. If you want to get a look at the values for the MaxMessageSize parameter for all of the SMTP receive connectors in your Exchange organization, start up the command line-based Exchange Management Shell and issue the following command:

get-receiveconnector | select identity,maxmessagesize

The output in Figure A shows you that, for the three Exchange servers in this organization, all of the installed SMTP receive connectors have a maximum message size of 10 MB.

Figure A

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