Exchange 2003: Unrestrict send mail size for specific users / groups

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Good (insert appropriate time of day here) SF folks,

I have the following situation; We have a message size limit for sending set at 20mb in Global Settings | Message Delivery. We have a limit of 50mb set at an external 3rd party spam vendor. I need to enable some users to be able to send messages that are upwards of around 40mb in size. However, when I set the Sending Message Size Maximum to 50mb within the delivery restrictions of a users exchange properties, it would appear that this does not win.

It seems that the lowest value wins for this situation.

I need to be able to allow certain users to send messages larger than the 20mb limit, but to have everyone else have the 20mb limit in place. How can I do this? The only way I could see was to raise the limit set in Global Settings | Message Delivery to 50mb and then set everyone elses (bar the people who need increased limit) delivery restrictions max size down. But I cannot see an easy way to do the last bit hence my post here looking for advice.

There are valid reasons we need to send mail this size and whilst we are putting together other mechanisms for delivery this data, we still need to get this put in place.

Thanks in advance

Kip

Best Answer

The users send limit should be the one that wins in this situation, thats how its supposed to be any way. However, there are actualy 4 places you can set the mail size limit:

  • The global setting
  • The Exchange SMTP connector
  • The SMTP virtual server
  • The user mailbox setting

So you'll want to make sure they are all set correctly. Also this only applys to outgoing mail, incoming mail is always restricted by the global settting.

There is a good article here on each of this settings and the order they apply.

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