I installed IMAP Mailbox app in our distributed server deployment where setting is Heavy forwarder ---> Clustered indexer ---> Search Head and followed the steps as indicated on splunkbase. I installed it to 1 heavy forwarder --> 3 indexers ---> 1 search head. It seems to work but i noticed that it duplicates the logs every certain minutes probably 5 minutes. I was sure that i configured disabled = true on all inputs.conf other than the one in the HF. There are no imap.conf configuration on the other servers IMAPmailbox/local folder. I installed the app on all the indexer manually but i was informed that we have to create the index on a certain app that is deployed to the indexers. I had to remove all the app from the 3 indexers to comply. When I try to enable the imap.conf script again, it downloaded the email but again creating duplicates. In imap.conf i configured the following as DeleteWhenDone =False and IMAPsearch = UNDELETED. This is also the setting in my single splunk deployment and it was working fine. Do you know what causes the duplicates? Are these types of issues supported by splunk support?
tried to remove the app from the search head and it still gets duplicates every 5 mins. only the heavy forwarder has it installed and the 3 clustered indexers has the imap index with no app. still no solution. may try other app. do you know a better one?