Howto Increase attachment file size on zimbra mail Server

Howto Increase attachment file size on zimbra mail Server

Login as zimbra

Usually, by default FileUpload and MTA Max size is 10 MB.
## Check status service in zimbra server : 
zimcontrol status


You can both of them via the command line like following : 

##Check variable FileUploadMaxSize :
zmprov gacf | grep zimbraFileUploadMaxSize

## Set variable FileUploadMaxSize :
zmprov mcf zimbraFileUploadMaxSize 20971520


and 

##Check variable MtaMaxMessageSize :
zmprov gacf | grep zimbraMtaMaxMessageSize

## Set variable MtaMaxMessageSize :
zmprov mcf zimbraMtaMaxMessageSize 20971520

note >> 20 MB = 20971520 byte (20*1024*1024)

Example .. 

Good luck strumjub.