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Exchange 2010 Message Size Limits

Posted on 2014-02-11
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Last Modified: 2014-03-17
I have Exchange 2010,
- Global Transport set max receive/send to 20MB
- Default Receive Connector to 10MB
- Send Connector to 10MB

Why Internal user able to send an email more than 10MB?. From my understanding, internal will be received by Hub Receive Connector from Mbx server, if this a case then the email will be rejected.

Which one take precedence?

When I did message tracking log, the mail was transferred thru any Receive Connector.

I understand that when user send the email from Outlook, the email will be at Outbox, store.exe will take the email from Outbox and put on submission on Hub Transport. Does this process not require Receive Connector?

if yes, then Receive Connector is not process internal? if so, why Default/Client receive connector exist at 1st place.

For external email, it is being process by Receive Connector, right

This keep confusing me.
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Question by:suriyaehnop
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7 Comments
 
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Expert Comment

by:Jaroslav Mraz
ID: 39850135
Hi,

yes send concetor is SMTP OUT  RECIVE is FOR OUT server to deliver IN


Did you setup limits in ORG CFG - HUB TRANSPORT - GLOBAL SETTINGS  - TRANSPORT SETTINGS - TRANSPORT LIMITS the general tab ?

and you must ticked the limits in select box

and you can adjust even in SEND connector properties MAX size
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Author Comment

by:suriyaehnop
ID: 39850148
Ticked Transport Limit. So which is take precedence?

Internal mail not being by receive connector then Transport will apply right.

External email it will apply by receive connector's limit, right?

Why Client/Default Receive exist for 1st place?

Also from http://technet.microsoft.com/en-us/library/aa996395(v=exchg.141).aspx

By default, the Receive connectors that are required for [b]internal mail[/b] flow are automatically created when the Hub Transport server role is installed

Open in new window


From this statement, i understand that internal mail still being process receive connector?

Exchange 2010 transport servers require Receive connectors to receive messages from e-mail clients

Open in new window


Kindly explain to me.
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Expert Comment

by:Jaroslav Mraz
ID: 39850196
Global is settings for HUB server. ITs role for Deliver mails in server. Send and recvie connectors are for communicating with out world.


so yes internal mail is not by receive connector.

In reciver connector you are able configure who can use it sou you can manage size from out by sending exchange user and anonymous user.
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suriyaehnop earned 0 total points
ID: 39850216
But how about

By default, the Receive connectors that are required for internal mail flow are automatically created when the Hub Transport server role is installed
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Assisted Solution

by:Jaroslav Mraz
Jaroslav Mraz earned 200 total points
ID: 39850302
Yop you right

i read it too and microsft say that after using HUB TRANSPORT it is going by receive concetor.

But even you are able to specify in connector settings you cans specify MAX size of message that can go with connector and access gropus that can use it.

We have 2 connectors. One for local users and one for others.


But global settings are on top. Local settings in connectors are for autentified users and global for everyone.
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by:Md. Mojahid
Md. Mojahid earned 200 total points
ID: 39852729
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by:suriyaehnop
ID: 39933724
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