can not upload Attachments
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 my Server: V8.6.80 
 WepApp:3.5.2.2098+1157.1
 when i add an Attachment to an email with WebApp or Deskapp the upload never gets ready: when i use outlook with z-push it’s OK 
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 @shcshc 
 Can you open the browser console and check for errors? (F12)
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 i get this: SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data Ext.util.JSON</this.decode</<https://mydom/webapp/client/extjs/ext-base-all.js:41:54709 
 stateChange
 kopano-debug.js:9353:15
 createDelegate/<
 https://mydom/webapp/client/extjs/ext-base-all.js:21:8901
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 i updated the system to 
 core-8.7.80.529-Ubuntu_16.04
 webapp-3.5.2.2123+1168-Ubuntu_16.04-allsame problem… 
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 Could you check the web server error log for errors? 
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 i have it. it’s a problem with my sophos utm webserver protection. 
 when i use the internal server direct. it’s ok. but not when i use domain name+ webapp
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 i solved it on utm 
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 Hi, I am having the same problem and using sophos utm. Can you tell me what you have changed in the utm to get it working? Thank you very much Tobi 
