Would do this to try and get more info on exactly what is happening.
Tools / Internet Options
Check the create Internet Log Files.
Then do a connection using the connection with the problem.
In the mail directory there should be a TCPLogs subdirectory, and it will have the log or logs.
They might have some additional specifics of what the issues is.
Note that logs can contain plain text of passwords, so make sure you change if you upload any of the log.
As an example. This is the connection with my local ISP. Had 1 message, but deleted it and changed password line.
00:43:47.964: --- 9 Nov 2022, 0:43:47.964 ---
00:43:47.965: Connect to '127.0.0.1', timeout 60 seconds.
00:43:48.966: >> +OK Dovecot ready.<cr><lf>
00:43:48.967: << USER mikes<cr><lf>
00:43:48.977: >> +OK<cr><lf>
00:43:48.977: << PASS xxxxxxxxxxxxxxxxx<cr><lf>
00:43:49.058: >> +OK Logged in.<cr><lf>
00:43:49.063: << STAT<cr><lf>
00:43:49.074: >> +OK 1 45709<cr><lf>
00:43:49.075: << LIST<cr><lf>
00:43:49.085: >> +OK 1 messages:<cr><lf>
00:43:49.086: >> 1 45709<cr><lf>
00:43:49.086: >> .<cr><lf>
00:43:49.188: << RETR 1<cr><lf>
00:43:49.200: >> +OK 45709 octets<cr><lf>
Removed the 1 message download info
00:43:49.329: >> .<cr><lf>
00:43:49.331: << DELE 1<cr><lf>
00:43:49.340: >> +OK Marked to be deleted.<cr><lf>
00:43:49.340: << QUIT<cr><lf>
00:43:49.400: >> +OK Logging out, messages deleted.<cr><lf>
00:43:49.403: --- Connection closed at 9 Nov 2022, 0:43:49.403. ---
00:43:49.404:
I connect to ISP using STUNNEL to make SSL connection, but should see something similar.
Would do this to try and get more info on exactly what is happening.
Tools / Internet Options
Check the create Internet Log Files.
Then do a connection using the connection with the problem.
In the mail directory there should be a TCPLogs subdirectory, and it will have the log or logs.
They might have some additional specifics of what the issues is.
Note that logs can contain plain text of passwords, so make sure you change if you upload any of the log.
As an example. This is the connection with my local ISP. Had 1 message, but deleted it and changed password line.
00:43:47.964: --- 9 Nov 2022, 0:43:47.964 ---
00:43:47.965: Connect to '127.0.0.1', timeout 60 seconds.
00:43:48.966: >> +OK Dovecot ready.<cr><lf>
00:43:48.967: << USER mikes<cr><lf>
00:43:48.977: >> +OK<cr><lf>
00:43:48.977: << PASS xxxxxxxxxxxxxxxxx<cr><lf>
00:43:49.058: >> +OK Logged in.<cr><lf>
00:43:49.063: << STAT<cr><lf>
00:43:49.074: >> +OK 1 45709<cr><lf>
00:43:49.075: << LIST<cr><lf>
00:43:49.085: >> +OK 1 messages:<cr><lf>
00:43:49.086: >> 1 45709<cr><lf>
00:43:49.086: >> .<cr><lf>
00:43:49.188: << RETR 1<cr><lf>
00:43:49.200: >> +OK 45709 octets<cr><lf>
Removed the 1 message download info
00:43:49.329: >> .<cr><lf>
00:43:49.331: << DELE 1<cr><lf>
00:43:49.340: >> +OK Marked to be deleted.<cr><lf>
00:43:49.340: << QUIT<cr><lf>
00:43:49.400: >> +OK Logging out, messages deleted.<cr><lf>
00:43:49.403: --- Connection closed at 9 Nov 2022, 0:43:49.403. ---
00:43:49.404:
I connect to ISP using STUNNEL to make SSL connection, but should see something similar.