Total Views Stats Seem Wrong - Too High

Last week I sent a newsletter to a list of 4600 addresses. All is well except the Total Views looks like way too many:

Statistics
Total views [2,428]
Unique Views [813]
total clicks [252]

The csv file shows several subscribers with very high numbers of views, for example, this is the line from a subscriber who supposedly viewed the mailing 213 times! See below.

I haven’t encountered this before. Just before that send, I had upgraded to v3.4.9.

These seem like the result of a bug. Anyone else experience this?

Times the subscriber supposedly viewed the message:
11 Jan 2020 00:55:49,11 Jan 2020 00:55:49,11 Jan 2020 00:57:12,11 Jan 2020 00:59:16,11 Jan 2020 00:59:23,11 Jan 2020 01:11:29,11 Jan 2020 01:12:19,11 Jan 2020 01:24:00,11 Jan 2020 04:59:18,11 Jan 2020 05:01:03,11 Jan 2020 05:04:47,11 Jan 2020 05:05:04,11 Jan 2020 07:42:49,11 Jan 2020 07:50:40,11 Jan 2020 10:03:17,11 Jan 2020 10:03:45,11 Jan 2020 10:34:56,11 Jan 2020 10:35:39,11 Jan 2020 10:35:39,11 Jan 2020 10:36:07,11 Jan 2020 10:36:37,11 Jan 2020 10:36:42,11 Jan 2020 10:37:24,11 Jan 2020 10:39:47,11 Jan 2020 10:41:56,11 Jan 2020 10:41:56,11 Jan 2020 10:41:58,11 Jan 2020 10:42:32,11 Jan 2020 10:42:34,11 Jan 2020 10:43:02,11 Jan 2020 10:43:04,11 Jan 2020 10:43:34,11 Jan 2020 10:43:34,11 Jan 2020 10:44:04,11 Jan 2020 10:44:05,11 Jan 2020 10:44:44,11 Jan 2020 10:44:46,11 Jan 2020 10:45:14,11 Jan 2020 10:45:15,11 Jan 2020 10:45:44,11 Jan 2020 10:45:46,11 Jan 2020 10:46:16,11 Jan 2020 10:46:17,11 Jan 2020 10:46:20,11 Jan 2020 10:46:23,11 Jan 2020 10:47:15,11 Jan 2020 10:52:07,11 Jan 2020 10:52:07,11 Jan 2020 10:52:07,11 Jan 2020 10:52:25,11 Jan 2020 10:52:26,11 Jan 2020 10:52:26,11 Jan 2020 10:52:32,11 Jan 2020 10:52:38,11 Jan 2020 10:52:39,11 Jan 2020 10:52:39,11 Jan 2020 10:53:08,11 Jan 2020 10:53:38,11 Jan 2020 10:54:08,11 Jan 2020 10:54:11,11 Jan 2020 11:36:28,11 Jan 2020 11:36:28,11 Jan 2020 11:36:28,11 Jan 2020 11:36:28,11 Jan 2020 11:36:28,11 Jan 2020 11:36:28,11 Jan 2020 11:36:28,11 Jan 2020 11:36:28,11 Jan 2020 11:36:36,11 Jan 2020 11:36:36,11 Jan 2020 11:36:36,11 Jan 2020 11:36:36,11 Jan 2020 11:36:36,11 Jan 2020 11:36:36,11 Jan 2020 11:38:27,11 Jan 2020 11:43:53,11 Jan 2020 11:43:53,11 Jan 2020 11:43:53,11 Jan 2020 11:43:53,11 Jan 2020 11:43:53,11 Jan 2020 11:43:53,11 Jan 2020 12:01:01,11 Jan 2020 12:01:01,11 Jan 2020 12:01:01,11 Jan 2020 12:01:01,11 Jan 2020 12:01:01,11 Jan 2020 12:01:01,11 Jan 2020 12:01:06,11 Jan 2020 12:01:06,11 Jan 2020 13:44:02,11 Jan 2020 15:39:18,11 Jan 2020 15:39:18,11 Jan 2020 15:39:18,11 Jan 2020 15:39:18,11 Jan 2020 15:39:18,11 Jan 2020 15:39:18,11 Jan 2020 15:39:18,11 Jan 2020 15:39:18,11 Jan 2020 15:58:25,11 Jan 2020 15:58:25,11 Jan 2020 15:58:25,11 Jan 2020 15:58:25,11 Jan 2020 15:58:25,11 Jan 2020 15:58:25,11 Jan 2020 15:58:44,11 Jan 2020 15:58:44,11 Jan 2020 16:09:49,11 Jan 2020 16:09:49,11 Jan 2020 16:09:49,11 Jan 2020 16:09:49,11 Jan 2020 16:09:49,11 Jan 2020 16:09:49,11 Jan 2020 16:09:50,11 Jan 2020 16:09:50,11 Jan 2020 16:09:50,11 Jan 2020 18:31:10,11 Jan 2020 18:31:10,11 Jan 2020 18:31:10,11 Jan 2020 18:31:10,11 Jan 2020 18:31:10,11 Jan 2020 18:31:11,11 Jan 2020 18:31:11,11 Jan 2020 18:31:11,11 Jan 2020 19:39:22,11 Jan 2020 19:39:22,11 Jan 2020 19:39:22,11 Jan 2020 19:39:22,11 Jan 2020 19:39:23,11 Jan 2020 19:57:06,11 Jan 2020 20:32:44,11 Jan 2020 20:41:24,11 Jan 2020 20:41:25,11 Jan 2020 20:41:26,11 Jan 2020 20:41:26,11 Jan 2020 20:41:26,11 Jan 2020 20:41:26,11 Jan 2020 20:41:26,11 Jan 2020 20:41:56,11 Jan 2020 20:41:56,11 Jan 2020 20:41:56,11 Jan 2020 20:41:56,11 Jan 2020 20:41:56,11 Jan 2020 20:41:56,11 Jan 2020 20:42:01,11 Jan 2020 20:42:01,11 Jan 2020 20:51:39,11 Jan 2020 20:51:41,12 Jan 2020 08:31:22,12 Jan 2020 08:31:23,12 Jan 2020 08:31:23,12 Jan 2020 08:31:24,12 Jan 2020 08:31:24,12 Jan 2020 08:31:27,12 Jan 2020 08:31:27,12 Jan 2020 08:49:02,12 Jan 2020 08:49:03,12 Jan 2020 08:49:05,12 Jan 2020 09:29:11,12 Jan 2020 09:29:12,12 Jan 2020 09:29:12,12 Jan 2020 09:29:13,12 Jan 2020 09:29:13,12 Jan 2020 09:29:13,12 Jan 2020 09:29:13,12 Jan 2020 13:10:34,12 Jan 2020 15:03:57,12 Jan 2020 16:31:17,12 Jan 2020 17:08:27,12 Jan 2020 23:20:44,13 Jan 2020 10:21:40,13 Jan 2020 10:23:48,13 Jan 2020 13:25:41,13 Jan 2020 15:01:24,13 Jan 2020 22:31:29,13 Jan 2020 22:31:29,13 Jan 2020 22:31:29,13 Jan 2020 22:31:29,13 Jan 2020 22:31:29,13 Jan 2020 22:31:29,14 Jan 2020 19:54:48,15 Jan 2020 21:48:55,15 Jan 2020 21:48:55,15 Jan 2020 21:48:55,15 Jan 2020 21:48:55,15 Jan 2020 21:48:55,15 Jan 2020 21:48:55,15 Jan 2020 21:48:56,15 Jan 2020 21:48:56,16 Jan 2020 08:34:22,16 Jan 2020 08:34:23,16 Jan 2020 08:34:23,16 Jan 2020 08:34:23,16 Jan 2020 08:34:23,16 Jan 2020 08:34:23,16 Jan 2020 08:34:23,16 Jan 2020 08:34:23,16 Jan 2020 08:35:56,16 Jan 2020 08:35:56,16 Jan 2020 08:35:56,16 Jan 2020 08:35:56,16 Jan 2020 08:35:56,16 Jan 2020 08:35:56,16 Jan 2020 08:35:56,16 Jan 2020 16:27:04,17 Jan 2020 14:01:39,18 Jan 2020 09:26:38,18 Jan 2020 09:26:38,18 Jan 2020 09:26:38,18 Jan 2020 09:26:38,18 Jan 2020 09:26:38,18 Jan 2020 09:26:38,18 Jan 2020 09:26:38,18 Jan 2020 09:26:38

Is there a pattern of domains with frequent opens? Seems like automatic opening to me, eg by a spam checker, virus scanner, etc.

I’m curious which inbox provider was used by those problem subscribers.