Hi,
Thanks for the prompt reply. No errors found in the error log file.
Last few records of the IMAP log file are as below
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9644 FETCH (UID 9645 INTERNALDATE "26-May-2019 17:35:52 +0530" BODY[HEADER.FIELDS (DATE)] {41}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: Sun, 26 May 2019 12:03:41 +0000
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9645 FETCH (UID 9646 INTERNALDATE "26-May-2019 17:35:57 +0530" BODY[HEADER.FIELDS (DATE)] {41}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: Sun, 26 May 2019 12:03:02 -0000
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9646 FETCH (UID 9647 INTERNALDATE "26-May-2019 17:40:55 +0530" BODY[HEADER.FIELDS (DATE)] {36}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: 26 May 2019 05:05:56 -0700
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9647 FETCH (UID 9648 INTERNALDATE "26-May-2019 17:40:57 +0530" BODY[HEADER.FIELDS (DATE)] {41}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: Sun, 26 May 2019 09:09:59 -0300
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9648 FETCH (UID 9649 INTERNALDATE "26-May-2019 17:50:57 +0530" BODY[HEADER.FIELDS (DATE)] {41}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: Sun, 26 May 2019 12:13:02 -0000
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9649 FETCH (UID 9650 INTERNALDATE "26-May-2019 18:05:54 +0530" BODY[HEADER.FIELDS (DATE)] {41}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: Sun, 26 May 2019 07:26:49 -0500
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9650 FETCH (UID 9651 INTERNALDATE "26-May-2019 18:05:58 +0530" BODY[HEADER.FIELDS (DATE)] {41}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: Sun, 26 May 2019 12:35:12 +0000
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9651 FETCH (UID 9652 INTERNALDATE "26-May-2019 18:15:53 +0530" BODY[HEADER.FIELDS (DATE)] {41}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: Sun, 26 May 2019 16:41:07 +0400
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9652 FETCH (UID 9653 INTERNALDATE "26-May-2019 18:15:58 +0530" BODY[HEADER.FIELDS (DATE)] {41}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: Sun, 26 May 2019 15:42:53 +0300
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9653 FETCH (UID 9654 INTERNALDATE "26-May-2019 18:15:58 +0530" BODY[HEADER.FIELDS (DATE)] {41}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: Sun, 26 May 2019 12:40:58 -0000
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9654 FETCH (UID 9655 INTERNALDATE "26-May-2019 18:15:58 +0530" BODY[HEADER.FIELDS (DATE)] {41}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: Sun, 26 May 2019 15:42:53 +0300
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9655 FETCH (UID 9656 INTERNALDATE "26-May-2019 18:15:58 +0530" BODY[HEADER.FIELDS (DATE)] {41}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: Sun, 26 May 2019 12:41:04 -0000
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9656 FETCH (UID 9657 INTERNALDATE "26-May-2019 18:30:58 +0530" BODY[HEADER.FIELDS (DATE)] {41}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: Sun, 26 May 2019 12:56:03 -0000
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9657 FETCH (UID 9658 INTERNALDATE "26-May-2019 18:31:00 +0530" BODY[HEADER.FIELDS (DATE)] {41}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: Sun, 26 May 2019 14:55:30 +0200
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: )
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] C: A0006 LOGOUT
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: * 9658 FETCH (UID 9659 INTERNALDATE "26-May-2019 18:31:02 +0530" BODY[HEADER.FIELDS (DATE)] {41}
[25-Jun-2019 14:58:29 +0530]: <e3hbai54> [22C3] S: Date: Sun, 26 May 2019 12:54:05 -0000