Why are we getting these error messages with Outlook-Exchange server? Events/emails are not indexing

We are getting issues while setting IMAP-MailBox to Outlook-Exchange Server with valid user account We are not seeing any mail in Splunk. 10-03-2017 17:10:33.478 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" File "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py", line 698, in 10-03-2017 17:10:33.478 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" parseArgs() 10-03-2017 17:10:33.478 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" File "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py", line 684, in parseArgs 10-03-2017 17:10:33.478 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" imapProc.initFromOptlist(optlist) 10-03-2017 17:10:33.478 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" File "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py", line 128, in initFromOptlist 10-03-2017 17:10:33.478 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" self.readConfig() 10-03-2017 17:10:33.478 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" File "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py", line 173, in readConfig 10-03-2017 17:10:33.478 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" config.read(path) 10-03-2017 17:10:33.478 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" File "C:\Program Files\Splunk\Python-2.7\Lib\ConfigParser.py", line 305, in read 10-03-2017 17:10:33.478 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" self._read(fp, filename) 10-03-2017 17:10:33.478 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" File "C:\Program Files\Splunk\Python-2.7\Lib\ConfigParser.py", line 512, in _read 10-03-2017 17:10:33.478 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" raise MissingSectionHeaderError(fpname, lineno, line) 10-03-2017 17:10:33.478 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" ConfigParser.MissingSectionHeaderError: File contains no section headers. 10-03-2017 17:10:33.479 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" file: C:\Program Files\Splunk\etc\apps\imap\bin\..\local\imap.conf, line: 1 10-03-2017 17:10:33.479 +0530 ERROR ExecProcessor - message from "python "C:\Program Files\Splunk\etc\apps\imap\bin\getimap.py"" '\xef\xbb\xbf\n' 10-03-2017 17:10:33.981 +0530 ERROR IntrospectionGenerator:resource_usage - AdminManager - External admin handler 'imaphandler' has not specified 'handleractions'. Will not add. 10-03-2017 17:10:33.981 +0530 INFO IntrospectionGenerator:resource_usage - RU_main - I-data gathering (Resource Usage) starting; period=10s 10-03-2017 17:10:34.498 +0530 INFO IntrospectionGenerator:resource_usage - RU_main - I-data gathering (IO Statistics) starting; interval=60s 10-03-2017 16:49:27.059 +0530 ERROR HttpListener - Exception while processing request from 127.0.0.1 for /en-US/api/messages/index: Connection closed by peer 10-03-2017 16:49:27.059 +0530 ERROR HttpListener - Handler for /en-US/api/messages/index sent a 0 byte response after earlier claiming a Content-Length of 341! 10-03-2017 16:26:24.189 +0530 ERROR IntrospectionGenerator:resource_usage - AdminManager - External admin handler 'imaphandler' has not specified 'handleractions'. Will not add.