Having problems using Secure Mail client in sending large files ( greater than 7 to 10MB)

*Verifyed the WM Logs and could see the following error , where by the mail is send to the Outbox

ERROR (2)        Response contained WBXML content with contentLength=15 for activeSyncCommand=SendMail

INFO (4)        SendMail - inside controller success callback - passing up to outbox service

ERROR (2)        SendMail failed with wbxml status 115 (kSendMailWbxmlSendQuotaExceeded)

 

The error wbxml status 115 states that "The request would exceed the send quota." as per the MS article:

https://msdn.microsoft.com/en-us/library/ee218647(v=exchg.80).aspx.

 

 

Follow below instructions:
Went down the Exchange path and did find the client access settings in ActiveSync, modified client access setting per the MS document:

https://technet.microsoft.com/en-us/library/hh529949(v=exchg.150).aspx

*Changed the httpruntime value from the default 10240 to 35000 and was now successful in sending email attachments greater than 10MB.

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Problem Cause

Unable to send the mails greater than 4-7 KB through Secure Mail.
From the Exchange server the default setting for client access is maxRequestLength="10240"