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Very slow POP3 messages retrieval
Question asked by Webio - 7/4/2017 at 1:28 AM
Unanswered
Hello,
 
does someone experienced issue with very slow POP3 messages retrieval? One of my clients sent me a support ticket that he has very small account (migrated from other hosting company) with just 106 messages using about 32MB. When he is trying to fetch them to his local computer it is taking very very long to download them. Take a look at this POP3 log:
2017.07.03 15:54:26 [REMOTE_IP_ADDRESS][10989599] connected at 2017-07-03 15:54:26
2017.07.03 15:54:26 [REMOTE_IP_ADDRESS][10989599] CAPA
2017.07.03 15:54:26 [REMOTE_IP_ADDRESS][10989599] USER USER@ACCOUNT.COM
2017.07.03 15:54:27 [REMOTE_IP_ADDRESS][10989599] PASS XXXX
2017.07.03 15:54:27 [REMOTE_IP_ADDRESS][10989599] USER@ACCOUNT.COM logged in
2017.07.03 15:54:27 [REMOTE_IP_ADDRESS][10989599] STAT
2017.07.03 15:54:27 [REMOTE_IP_ADDRESS][10989599] +OK 106 35362751
2017.07.03 15:54:27 [REMOTE_IP_ADDRESS][10989599] UIDL
2017.07.03 15:54:27 [REMOTE_IP_ADDRESS][10989599] uidl list given for 106 messages
2017.07.03 15:54:27 [REMOTE_IP_ADDRESS][10989599] LIST
2017.07.03 15:54:27 [REMOTE_IP_ADDRESS][10989599] list response given with 106 messages. 
2017.07.03 15:54:27 [REMOTE_IP_ADDRESS][10989599] RETR 93
2017.07.03 15:54:27 [REMOTE_IP_ADDRESS][10989599] retr completed for message 93
2017.07.03 15:55:42 [REMOTE_IP_ADDRESS][10989599] RETR 90
2017.07.03 15:55:42 [REMOTE_IP_ADDRESS][10989599] retr completed for message 90
2017.07.03 15:56:57 [REMOTE_IP_ADDRESS][10989599] RETR 86
2017.07.03 15:56:57 [REMOTE_IP_ADDRESS][10989599] retr completed for message 86
2017.07.03 15:58:12 [REMOTE_IP_ADDRESS][10989599] RETR 83
2017.07.03 15:58:12 [REMOTE_IP_ADDRESS][10989599] retr completed for message 83
2017.07.03 15:59:27 [REMOTE_IP_ADDRESS][10989599] RETR 81
2017.07.03 15:59:27 [REMOTE_IP_ADDRESS][10989599] retr completed for message 81
2017.07.03 15:59:27 [REMOTE_IP_ADDRESS][10989599] RETR 80
2017.07.03 15:59:28 [REMOTE_IP_ADDRESS][10989599] retr completed for message 80
2017.07.03 15:59:28 [REMOTE_IP_ADDRESS][10989599] RETR 79
2017.07.03 15:59:28 [REMOTE_IP_ADDRESS][10989599] retr completed for message 79
2017.07.03 16:00:43 [REMOTE_IP_ADDRESS][10989599] RETR 77
2017.07.03 16:00:43 [REMOTE_IP_ADDRESS][10989599] retr completed for message 77
2017.07.03 16:00:43 [REMOTE_IP_ADDRESS][10989599] RETR 76
2017.07.03 16:00:43 [REMOTE_IP_ADDRESS][10989599] retr completed for message 76
2017.07.03 16:00:43 [REMOTE_IP_ADDRESS][10989599] RETR 75
2017.07.03 16:00:43 [REMOTE_IP_ADDRESS][10989599] retr completed for message 75
2017.07.03 16:01:58 [REMOTE_IP_ADDRESS][10989599] RETR 73
2017.07.03 16:01:58 [REMOTE_IP_ADDRESS][10989599] retr completed for message 73
2017.07.03 16:01:58 [REMOTE_IP_ADDRESS][10989599] RETR 72
2017.07.03 16:01:58 [REMOTE_IP_ADDRESS][10989599] retr completed for message 72
2017.07.03 16:01:58 [REMOTE_IP_ADDRESS][10989599] RETR 71
2017.07.03 16:01:59 [REMOTE_IP_ADDRESS][10989599] retr completed for message 71
2017.07.03 16:03:13 [REMOTE_IP_ADDRESS][10989599] RETR 69
2017.07.03 16:03:13 [REMOTE_IP_ADDRESS][10989599] retr completed for message 69
2017.07.03 16:03:14 [REMOTE_IP_ADDRESS][10989599] RETR 68
2017.07.03 16:03:14 [REMOTE_IP_ADDRESS][10989599] retr completed for message 68
2017.07.03 16:03:14 [REMOTE_IP_ADDRESS][10989599] RETR 67
2017.07.03 16:03:14 [REMOTE_IP_ADDRESS][10989599] retr completed for message 67
2017.07.03 16:03:14 [REMOTE_IP_ADDRESS][10989599] RETR 66
2017.07.03 16:03:14 [REMOTE_IP_ADDRESS][10989599] retr completed for message 66
2017.07.03 16:04:29 [REMOTE_IP_ADDRESS][10989599] RETR 64
2017.07.03 16:04:29 [REMOTE_IP_ADDRESS][10989599] retr completed for message 64
2017.07.03 16:05:44 [REMOTE_IP_ADDRESS][10989599] RETR 62
2017.07.03 16:05:44 [REMOTE_IP_ADDRESS][10989599] retr completed for message 62
2017.07.03 16:06:59 [REMOTE_IP_ADDRESS][10989599] RETR 60
2017.07.03 16:06:59 [REMOTE_IP_ADDRESS][10989599] retr completed for message 60
2017.07.03 16:06:59 [REMOTE_IP_ADDRESS][10989599] RETR 59
2017.07.03 16:06:59 [REMOTE_IP_ADDRESS][10989599] retr completed for message 59
2017.07.03 16:06:59 [REMOTE_IP_ADDRESS][10989599] RETR 58
2017.07.03 16:06:59 [REMOTE_IP_ADDRESS][10989599] retr completed for message 58
2017.07.03 16:08:14 [REMOTE_IP_ADDRESS][10989599] RETR 56
2017.07.03 16:08:14 [REMOTE_IP_ADDRESS][10989599] retr completed for message 56
2017.07.03 16:08:14 [REMOTE_IP_ADDRESS][10989599] RETR 55
2017.07.03 16:08:14 [REMOTE_IP_ADDRESS][10989599] retr completed for message 55
2017.07.03 16:08:14 [REMOTE_IP_ADDRESS][10989599] RETR 54
2017.07.03 16:08:15 [REMOTE_IP_ADDRESS][10989599] retr completed for message 54
2017.07.03 16:08:15 [REMOTE_IP_ADDRESS][10989599] RETR 53
2017.07.03 16:08:15 [REMOTE_IP_ADDRESS][10989599] retr completed for message 53
2017.07.03 16:08:15 [REMOTE_IP_ADDRESS][10989599] RETR 52
2017.07.03 16:08:15 [REMOTE_IP_ADDRESS][10989599] retr completed for message 52
2017.07.03 16:08:15 [REMOTE_IP_ADDRESS][10989599] RETR 51
2017.07.03 16:08:15 [REMOTE_IP_ADDRESS][10989599] retr completed for message 51
2017.07.03 16:08:15 [REMOTE_IP_ADDRESS][10989599] RETR 50
2017.07.03 16:08:15 [REMOTE_IP_ADDRESS][10989599] retr completed for message 50
2017.07.03 16:09:30 [REMOTE_IP_ADDRESS][10989599] RETR 48
2017.07.03 16:09:30 [REMOTE_IP_ADDRESS][10989599] retr completed for message 48
2017.07.03 16:09:30 [REMOTE_IP_ADDRESS][10989599] RETR 47
2017.07.03 16:09:30 [REMOTE_IP_ADDRESS][10989599] retr completed for message 47
2017.07.03 16:10:45 [REMOTE_IP_ADDRESS][10989599] RETR 45
2017.07.03 16:10:45 [REMOTE_IP_ADDRESS][10989599] retr completed for message 45
2017.07.03 16:10:45 [REMOTE_IP_ADDRESS][10989599] RETR 44
2017.07.03 16:10:45 [REMOTE_IP_ADDRESS][10989599] retr completed for message 44
2017.07.03 16:10:46 [REMOTE_IP_ADDRESS][10989599] RETR 43
2017.07.03 16:10:46 [REMOTE_IP_ADDRESS][10989599] retr completed for message 43
2017.07.03 16:10:46 [REMOTE_IP_ADDRESS][10989599] RETR 42
2017.07.03 16:10:46 [REMOTE_IP_ADDRESS][10989599] retr completed for message 42
2017.07.03 16:12:01 [REMOTE_IP_ADDRESS][10989599] RETR 40
2017.07.03 16:12:01 [REMOTE_IP_ADDRESS][10989599] retr completed for message 40
2017.07.03 16:13:16 [REMOTE_IP_ADDRESS][10989599] RETR 38
2017.07.03 16:13:16 [REMOTE_IP_ADDRESS][10989599] retr completed for message 38
2017.07.03 16:13:16 [REMOTE_IP_ADDRESS][10989599] RETR 37
2017.07.03 16:13:16 [REMOTE_IP_ADDRESS][10989599] retr completed for message 37
2017.07.03 16:14:31 [REMOTE_IP_ADDRESS][10989599] RETR 35
2017.07.03 16:14:31 [REMOTE_IP_ADDRESS][10989599] retr completed for message 35
2017.07.03 16:15:46 [REMOTE_IP_ADDRESS][10989599] RETR 33
2017.07.03 16:15:46 [REMOTE_IP_ADDRESS][10989599] retr completed for message 33
2017.07.03 16:17:01 [REMOTE_IP_ADDRESS][10989599] RETR 31
2017.07.03 16:17:01 [REMOTE_IP_ADDRESS][10989599] retr completed for message 31
2017.07.03 16:18:16 [REMOTE_IP_ADDRESS][10989599] RETR 29
2017.07.03 16:18:16 [REMOTE_IP_ADDRESS][10989599] retr completed for message 29
2017.07.03 16:18:16 [REMOTE_IP_ADDRESS][10989599] RETR 28
2017.07.03 16:18:16 [REMOTE_IP_ADDRESS][10989599] retr completed for message 28
2017.07.03 16:18:16 [REMOTE_IP_ADDRESS][10989599] RETR 27
2017.07.03 16:18:16 [REMOTE_IP_ADDRESS][10989599] retr completed for message 27
2017.07.03 16:18:16 [REMOTE_IP_ADDRESS][10989599] RETR 26
2017.07.03 16:18:16 [REMOTE_IP_ADDRESS][10989599] retr completed for message 26
2017.07.03 16:19:31 [REMOTE_IP_ADDRESS][10989599] RETR 24
2017.07.03 16:19:32 [REMOTE_IP_ADDRESS][10989599] retr completed for message 24
2017.07.03 16:19:32 [REMOTE_IP_ADDRESS][10989599] RETR 23
2017.07.03 16:19:32 [REMOTE_IP_ADDRESS][10989599] retr completed for message 23
2017.07.03 16:19:32 [REMOTE_IP_ADDRESS][10989599] RETR 22
2017.07.03 16:19:32 [REMOTE_IP_ADDRESS][10989599] retr completed for message 22
2017.07.03 16:19:32 [REMOTE_IP_ADDRESS][10989599] RETR 21
2017.07.03 16:19:32 [REMOTE_IP_ADDRESS][10989599] retr completed for message 21
2017.07.03 16:20:47 [REMOTE_IP_ADDRESS][10989599] RETR 19
2017.07.03 16:20:47 [REMOTE_IP_ADDRESS][10989599] retr completed for message 19
take a look at hours and you will notice that it is taking way too long. I'm using SmarterMail 15.7.6390. POP3 log does not contain any errors.
Any ideas/suggestions?
 
Thanks    
 
Webio Replied
7/4/2017 at 3:42 AM
Small update here. It looks like problem is only with account which fetched mail content from remote server. When POP3 connection is being made to different mail account which holds "normal" messages (so not migrated from anywhere) messages are being fetched to mail client almost instantly.

Support ticket will be sent to SmarterTools for this issue.
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