Frequent "Bad password or unknown user name error" pop-up messages errors) from EM Client- using Earthlink/Mindspring.

I am receiving 20+ daily “bad password or unknown user name error” pop-up messages from my EM Client program (using POP3 with Earthlink/Mindpsring email provider). As soon as I dismiss the error, my email resumes to work properly - so this is a spurious (incorrect) message which interrupts my work day and night!  After checking my account settings in EM Client, an Earthlink supervisor tells me this must be a problem with the EM Client software. What can I do?

What version of eM Client are you using? (Menu > Help > About) If it is not the latest, you can manually download and install from the Release History.

But it may either be an issue with the server or you have incorrect settings. The later you can check in Menu > Tools > Accounts and then clicking on the POP3 tab.

The port/security policy combination is important, so check you have one of the following:

Port 995 = Use SSL/TLS on special port (legacy)
Port 110 = Use SSL/TLS if available

Thanks for the advice Gary - my EMClient version = 7.2.36465.0 so took your advice and ran the update to 7.2.36908.0 - also, my port 110 did not have “SSL/TLS if available” - I have just checked that, though I think Earthlink support tried that a few weeks ago without success (hope I’m wrong about that or that the point will prove moot). 

I will follow-up with you if the problem persists, but by way of preview, wondering: if the error comes back, is changing to Port 995 with SSL/TLS on special port (legacy) an option to try?

7.2.36465 was riddled with bugs, and in my opinion should have been removed from the download page. Maybe you will have better luck with 7.2.36908 which seems stable in most respects. Anyway, look forward to hearing that all is still well.

There are two ports available for POP3; 995 and 110. Either is OK, but 995 offers better security. Port 110 may not have any security, and some servers are setup like that ;-( that is why it has the option to use SSL/TLS if available. So try port 995 and if that works, OK. If it doesn’t try port 110. But the security policy/port combinations are important.

Hi again Gary - - the update to new version did not cause any instability - no introduction of added problems.

However, the issue I reported remains. I tried 995 port settings and immediately the earthlink (mindspring) server would not connect.  I reverted to 110 port setting and the EMClient behaved as usual - perfect functionality and no issues EXCEPT the very disruptive and frequent (10-20x per day) error pop-up.

Can you suggest a next step for this problem?

If the error pops up, then it will also be listed in Menu > Tools > Operations and in the Log tab. The error would be useful in finding a solution.

Just threw error around 1:27 - here’s the updated log snippet:

1:26:56 AM     “Unable to write data to the transport connection: An established connection was aborted by the software in your host machine.”
1:26:56 AM    at MailClient.Protocols.Pop3.Pop3ReceiveCommand.Connect(WorkerStatus status)
1:26:56 AM    at MailClient.Protocols.Pop3.Pop3ReceiveCommand.Execute(WorkerStatus status)
1:26:56 AM    at MailClient.Commands.Command.Process(WorkerStatus status)
1:27:27 AM 4gregory@mindspring.com [POP3]  Connecting: To 4gregory@mindspring.com
1:27:27 AM fourgregory@gmail.com [Google Contacts]  Synchronizing folder list
1:27:27 AM fourgregory@gmail.com [Google Contacts]  Synchronizing folder ‘fourgregory@gmail.com/Contacts/’
1:27:27 AM 4gregory@mindspring.com [POP3]  Connected: To 4gregory@mindspring.com
1:27:28 AM 4gregory@mindspring.com [POP3]  Downloading messages: From 4gregory@mindspring.com
1:27:28 AM 4gregory@mindspring.com [POP3]  Disconnected: From 4gregory@mindspring.com
1:27:28 AM 4gregory@mindspring.com [POP3]  Disconnected: Done

Thank you!

Can you temporarily disable any anti-virus/firewall or VPN application and see f the problem persists.

However, if the host machine referred to in the error is the server, then you would have to contact your provider about that. You probably need to include the few lines before what you quoted above, as there is no reference to which connection it is referring to. It’s not Gmail, because that is using IMAP.

Gary, appreciate your persistence here.

I disabled Norton, but saw exactly the same pattern of errors - so I have re-enabled the antivirus software.

Here, fwiw, is a much lengthier (one-hour) snippet of log entries, spanning from before to after the Norton deactivation and reactivation: 

12:00:46 PM 4gregory@mindspring.com [POP3]  Connecting: To 4gregory@mindspring.com
12:00:46 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/
12:00:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder list
12:00:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder ‘fourgregory@gmail.com/Contacts/’
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/INBOX
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/All Mail
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Drafts
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Important
12:00:47 PM 4gregory@mindspring.com [POP3]  Connected: To 4gregory@mindspring.com
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Sent Mail
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Spam
12:00:47 PM 4gregory@mindspring.com [POP3]  Downloading messages: From 4gregory@mindspring.com
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Trash
12:00:47 PM 4gregory@mindspring.com [POP3]  Disconnected: From 4gregory@mindspring.com
12:00:47 PM 4gregory@mindspring.com [POP3]  Disconnected: Done
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: For folder fourgregory@gmail.com/[Gmail]/Spam
12:00:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: Done
12:01:46 PM 4gregory@mindspring.com [POP3]  Connecting: To 4gregory@mindspring.com
12:01:46 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/
12:01:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder list
12:01:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder ‘fourgregory@gmail.com/Contacts/’
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/INBOX
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/All Mail
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Drafts
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Important
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Sent Mail
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Spam
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Trash
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: For folder fourgregory@gmail.com/[Gmail]/Spam
12:01:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: Done
12:01:48 PM 4gregory@mindspring.com [POP3]  Connected: To 4gregory@mindspring.com
12:01:48 PM 4gregory@mindspring.com [POP3]  Downloading messages: From 4gregory@mindspring.com
12:01:49 PM 4gregory@mindspring.com [POP3]  Disconnected: From 4gregory@mindspring.com
12:01:49 PM 4gregory@mindspring.com [POP3]  Disconnected: Done
12:02:46 PM 4gregory@mindspring.com [POP3]  Connecting: To 4gregory@mindspring.com
12:02:46 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/
12:02:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder list
12:02:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder ‘fourgregory@gmail.com/Contacts/’
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/INBOX
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/All Mail
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Drafts
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Important
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Sent Mail
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Spam
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Trash
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: For folder fourgregory@gmail.com/[Gmail]/Spam
12:02:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: Done
12:02:49 PM 4gregory@mindspring.com [POP3]  Connected: To 4gregory@mindspring.com
12:02:49 PM 4gregory@mindspring.com [POP3]  Downloading messages: From 4gregory@mindspring.com
12:02:49 PM 4gregory@mindspring.com [POP3]  Disconnected: From 4gregory@mindspring.com
12:02:49 PM 4gregory@mindspring.com [POP3]  Disconnected: Done
12:03:46 PM 4gregory@mindspring.com [POP3]  Connecting: To 4gregory@mindspring.com
12:03:46 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/
12:03:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder list
12:03:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder ‘fourgregory@gmail.com/Contacts/’
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/INBOX
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/All Mail
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Drafts
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Important
12:03:47 PM 4gregory@mindspring.com [POP3]  Connected: To 4gregory@mindspring.com
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Sent Mail
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Spam
12:03:47 PM 4gregory@mindspring.com [POP3]  Downloading messages: From 4gregory@mindspring.com
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Trash
12:03:47 PM 4gregory@mindspring.com [POP3]  Disconnected: From 4gregory@mindspring.com
12:03:47 PM 4gregory@mindspring.com [POP3]  Disconnected: Done
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: For folder fourgregory@gmail.com/[Gmail]/Spam
12:03:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: Done
12:04:46 PM 4gregory@mindspring.com [POP3]  Connecting: To 4gregory@mindspring.com
12:04:46 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/
12:04:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder list
12:04:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder ‘fourgregory@gmail.com/Contacts/’
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/INBOX
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/All Mail
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Drafts
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Important
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Sent Mail
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Spam
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Trash
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: For folder fourgregory@gmail.com/[Gmail]/Spam
12:04:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: Done
12:04:48 PM 4gregory@mindspring.com [POP3]  Connected: To 4gregory@mindspring.com
12:04:48 PM 4gregory@mindspring.com [POP3]  Downloading messages: From 4gregory@mindspring.com
12:04:48 PM 4gregory@mindspring.com [POP3]  Disconnected: From 4gregory@mindspring.com
12:04:48 PM 4gregory@mindspring.com [POP3]  Disconnected: Done
12:05:46 PM 4gregory@mindspring.com [POP3]  Connecting: To 4gregory@mindspring.com
12:05:46 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/
12:05:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder list
12:05:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder ‘fourgregory@gmail.com/Contacts/’
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/INBOX
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/All Mail
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Drafts
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Important
12:05:47 PM 4gregory@mindspring.com [POP3]  Connected: To 4gregory@mindspring.com
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Sent Mail
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Spam
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Trash
12:05:47 PM 4gregory@mindspring.com [POP3]  Downloading messages: From 4gregory@mindspring.com
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:05:47 PM 4gregory@mindspring.com [POP3]  Disconnected: From 4gregory@mindspring.com
12:05:47 PM 4gregory@mindspring.com [POP3]  Disconnected: Done
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: For folder fourgregory@gmail.com/[Gmail]/Spam
12:05:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: Done
12:06:46 PM 4gregory@mindspring.com [POP3]  Connecting: To 4gregory@mindspring.com
12:06:46 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/
12:06:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder list
12:06:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder ‘fourgregory@gmail.com/Contacts/’
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/INBOX
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/All Mail
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Drafts
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Important
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Sent Mail
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Spam
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Trash
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: For folder fourgregory@gmail.com/[Gmail]/Spam
12:06:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: Done
12:07:46 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/
12:07:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder list
12:07:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder ‘fourgregory@gmail.com/Contacts/’
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/INBOX
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/All Mail
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Drafts
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Important
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Sent Mail
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Spam
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Trash
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: For folder fourgregory@gmail.com/[Gmail]/Spam
12:07:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: Done
12:07:54 PM MailClient.Accounts.ConnectionException: Protocol error occurred. Is this really a POP3 server?
12:07:54 PM    at MailClient.Protocols.Pop3.Pop3ReceiveCommand.AuthenticateWithMechanism(SaslMechanism authScheme, ClientCredential credential)
12:07:54 PM    at MailClient.Protocols.Pop3.Pop3ReceiveCommand.Authenticate(WorkerStatus status)
12:07:54 PM    at MailClient.Protocols.Pop3.Pop3ReceiveCommand.Connect(WorkerStatus status)
12:07:54 PM    at MailClient.Protocols.Pop3.Pop3ReceiveCommand.Execute(WorkerStatus status)
12:07:54 PM    at MailClient.Commands.Command.Process(WorkerStatus status)
12:08:46 PM 4gregory@mindspring.com [POP3]  Connecting: To 4gregory@mindspring.com
12:08:46 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/
12:08:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder list
12:08:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder ‘fourgregory@gmail.com/Contacts/’
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/INBOX
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/All Mail
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Drafts
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Important
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Sent Mail
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Spam
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Trash
12:08:47 PM 4gregory@mindspring.com [POP3]  Connected: To 4gregory@mindspring.com
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: For folder fourgregory@gmail.com/[Gmail]/Spam
12:08:47 PM 4gregory@mindspring.com [POP3]  Downloading messages: From 4gregory@mindspring.com
12:08:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: Done
12:08:47 PM 4gregory@mindspring.com [POP3]  Disconnected: From 4gregory@mindspring.com
12:08:47 PM 4gregory@mindspring.com [POP3]  Disconnected: Done
12:09:46 PM 4gregory@mindspring.com [POP3]  Connecting: To 4gregory@mindspring.com
12:09:46 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/
12:09:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder list
12:09:46 PM fourgregory@gmail.com [Google Contacts]  Synchronizing folder ‘fourgregory@gmail.com/Contacts/’
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/INBOX
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/All Mail
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Drafts
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Important
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Sent Mail
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Spam
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: For folder fourgregory@gmail.com/[Gmail]/Trash
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing subfolders: Done
12:09:47 PM fourgregory@gmail.com [IMAP]  Synchronizing messages: For folder

Your POP3 settings should be
Host: pop.mindspring.com
Port: 110
Security policy: Use SSL/TLS if available

If that is what you have and you still get and error that says “is this really a POP3 server?” then this is something you need to discuss with mindspring.

This is exactly how I’m configured - and what worked flawlessly since installing EMClient a few years ago (when MS stopped supporting their pretty good legacy email client). I just saw three test emails, presumably yours.  Earthlink/mindspring ultimately said the problem must be the eMail client.

I’ll certainly try anything you recommend; if you declare this problem unsolvable, I think I’m (sadly) at the end of the earthlink road and will have to give up my “4gregory” email address.

Do appreciate your effort.

I would show mindspring that part of the error that is asking if their server actually is POP3. If eM Client is unsure what it is, then there must be some misconfiguration on their end.

But if they cannot resolve it, there is no reason to give up your 4gregory address. You should be able to forward your mail to your gmail address, so you will still receive all messages sent to it. Then in eM Client, set your Gmail account as default and then go to the mindsping one and untick the POP3 service. That will enable you to still send using your 4gregory address, it just won’t bother the POP3 server at all.