Mobile phones - "Cannot Send Mail | The message was rejected by the server because it is too large"

Hello,
 


I am assisting a client running Exchange 2007 Version 08.01.0436.000.  (Yes, I see that customer is 3 revisions behind in terms of Service Packs).
 


Customer is reporting the following.  

User attempting to send an email via a mobilie phone.  (So far it seems like just iPhones).
 
An attempt to send an image returns the following: Mobile phones - "Cannot Send Mail | The message was rejected by the server because it is too large".
 


During initial investigation there seems some correalation to this:
 
http://msexchange.me/2013/07/26/exchange-active-sync-message-size-limit/
 


However I wanted to check with you folks before I made any changes.
 


Thanks in advance.
 

Regards,
 
Real-Time
realtimerAsked:
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suriyaehnopCommented:
My Exchange run on 2007 SP3 and the webconfig size 30MB.

Yes did made the modification before. There was request from VIP to upload the attachment size over 30MB using entourage.

What i did was to change webconfig file, after changed, VIP can upload larger file.

https://technet.microsoft.com/en-us/library/hh529949%28v=exchg.150%29.aspx
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