if mail id is configure as imap then might be rule is at client side tail -f /opt/zimbra/log/mailbox.log or cat mailbox.log | grep mailid | grep Junk remember use J in capital else not found error mailop - Performing IMAP copy of Message (id=9749): copyId=9750, folderId=4, folderName=Junk, parentId=-9749. 2022-03-25 18:25:20,184 INFO [qtp1500608548-221671:https://192.227.106.139:8443/service/soap/SendMsgRequest] [name=manoj.suryavanshi@kaybouvet.com;aname=admin;mid=2440;ip=59.144.167.12;port=34682;ua=ZimbraWebClient - GC99 (Linux)/8.8.15_GA_4232;soapId=7e6d29a6;] smtp - Sending message to MTA at zimbra.drushti.net: message-id=<1797137031.2093433.1648212919936.javamail.zimbra@kaybouvet.com>, replyType=r, sender=manoj.suryavanshi@kaybouvet.com, nrcpts=1, to=dsl@kaybouvet.com 2022-03-25 18:25:20,715 INFO [LmtpServer-28386] [name=dsl@kaybouvet.com;mid=1526;ip=192.227.106.139;] mailop - Adding Message: id=9749, message-id=<1797137031.2093433.1648212919936.jav...