Postin Zebra PS20 personal shopper log to https server using

EB.Log.destinationURI = 'https://example.com:443/cradle/ReceiveLogFile'
EB.Log.sendLogFile()

does not send log.
Log file contains
RhodesAppBase.cpp: 245| send_log failed : network error - -1; Body -

Tried to add web logger to config.xml file by adding second element using

Throws the same error. How to send log files to https server ?