Difference between revisions of "Steps to increase max message size for ActiveSync devices"

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Latest revision as of 14:00, 17 April 2020

Increase max message size for ActiveSync devices (Legacy activesync)

   KB 23358        Last updated on 2020-04-17  

(0 votes)


ActiveSync devices or Outlook EAS downloads only the first 7 MB of a message.


By default ActiveSync devices are allowed to download only 10 MB size messages. There is a separate attribute "zimbraMobileMaxMessageSize" available to control this maximum size.

With the help of following commands we can change the default limit.

su - zimbra
zmprov mcf zimbraMobileMaxMessageSize "31457280"            #Example to set limit to 30 MB. 
zmmailboxdctl restart  

Submitted by: Heera Singh Koranga
Verified Against: ZCS 8.7 Date Created: 2020-04-13
Article ID: https://wiki.zimbra.com/index.php?title=Steps_to_increase_max_message_size_for_ActiveSync_devices Date Modified: 2020-04-17

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