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SMTP Secureserver.net Connection was lost in the middle

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  • Last reply by christ1

Bounce-A-Roo
Bounce-A-Roo

I have been using Mozilla Thunderbird for years now with very few issues. Monday I attempted to send my first email of the day and I was given a message about my connection being lost in the middle of transmitting the email. Every email since this time has failed to send. If I turn off SSL and try the other ports for my Godaddy email server, I receive a message about my IP being blocked.

I can still receive emails fine. It's just the SMTP.

I have done the following: 1. Contacted Godaddy about my email issue and they have stated that it is not an issue caused by them. 2. Contacted my ISP, Comcast, and they assured me the same thing. 3. Reset my router (Asus RT-N66U) and modem (Motorola Arris SB6183). 4. Changed my email password. 5. Deleted saved passwords. 6. Verified correct server settings. 7. Tried alternate ports. 8. Deleted popstat.dat because i was told it may be due to a corrupted password. I've been told there's a second occurence of this file, but it's hidden. No clue if this is true or where it might be. 9. Uninstalled and reinstalled Thunderbird. 10. Verified that Thunderbird is up-to-date. 11. Disabled antivirus (Windows Defender) 12. Attempted to send an email while in safe mode w/networking. 13. Multiple malware and virus scans. 14. Disabled All Thunderbird Extensions

None of these options have worked. I'm stuck with using Thunderbird now as well because the tech I had remote-accessing my PC that was trying to troubleshoot the issue changed a setting that left leave my email on the server. So now 3 years worth of customer correspondence has been removed from my email server and only present in my Thunderbird. Essential that I get this functioning.

I am using Windows 10 Home (Fully Updated) Email server is smtpout.secureserver.net : Port: 465

Please help. Any assistance with this would be greatly appreciated.

I have been using Mozilla Thunderbird for years now with very few issues. Monday I attempted to send my first email of the day and I was given a message about my connection being lost in the middle of transmitting the email. Every email since this time has failed to send. If I turn off SSL and try the other ports for my Godaddy email server, I receive a message about my IP being blocked. I can still receive emails fine. It's just the SMTP. I have done the following: 1. Contacted Godaddy about my email issue and they have stated that it is not an issue caused by them. 2. Contacted my ISP, Comcast, and they assured me the same thing. 3. Reset my router (Asus RT-N66U) and modem (Motorola Arris SB6183). 4. Changed my email password. 5. Deleted saved passwords. 6. Verified correct server settings. 7. Tried alternate ports. 8. Deleted popstat.dat because i was told it may be due to a corrupted password. I've been told there's a second occurence of this file, but it's hidden. No clue if this is true or where it might be. 9. Uninstalled and reinstalled Thunderbird. 10. Verified that Thunderbird is up-to-date. 11. Disabled antivirus (Windows Defender) 12. Attempted to send an email while in safe mode w/networking. 13. Multiple malware and virus scans. 14. Disabled All Thunderbird Extensions None of these options have worked. I'm stuck with using Thunderbird now as well because the tech I had remote-accessing my PC that was trying to troubleshoot the issue changed a setting that left leave my email on the server. So now 3 years worth of customer correspondence has been removed from my email server and only present in my Thunderbird. Essential that I get this functioning. I am using Windows 10 Home (Fully Updated) Email server is smtpout.secureserver.net : Port: 465 Please help. Any assistance with this would be greatly appreciated.
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Chosen solution

6. Verified correct server settings.

What are the required server settings as per your email provider's instructions?

Please post your Troubleshooting Information. At the top right of the Thunderbird window, click the menu button , then select Help > Troubleshooting Information. Press the "Copy text to clipboard button" and paste the information into your reply.

7. Tried alternate ports.

Beats me. Why would you want to try arbitrary combinations of settings different to what your email provider requires?

8. Deleted popstat.dat because i was told it may be due to a corrupted password.

popstat.dat has got nothing to do with passwords.

I've been told there's a second occurence of this file, but it's hidden.

No, there isn't. Where do you get your information from?

9. Uninstalled and reinstalled Thunderbird.

You've been wasting your time. Profile files are stored separately from the Thunderbird program files. The program files are static and do not change (except when you upgrade the Thunderbird application version). Because we store profile and program files separately, you can uninstall Thunderbird without losing your messages and settings, and if something goes wrong with a Thunderbird update your information will still be available. It also means that you don't have to reinstall Thunderbird in order to delete your information or troubleshoot a problem.

So now 3 years worth of customer correspondence has been removed from my email server and only present in my Thunderbird.

Then make sure you do have a backup. https://support.mozilla.org/kb/profiles-where-thunderbird-stores-user-data#w_backing-up-a-profile

What is your anti-virus software?

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christ1
christ1
  • Top 25 Contributor

Chosen Solution

6. Verified correct server settings.

What are the required server settings as per your email provider's instructions?

Please post your Troubleshooting Information. At the top right of the Thunderbird window, click the menu button , then select Help > Troubleshooting Information. Press the "Copy text to clipboard button" and paste the information into your reply.

7. Tried alternate ports.

Beats me. Why would you want to try arbitrary combinations of settings different to what your email provider requires?

8. Deleted popstat.dat because i was told it may be due to a corrupted password.

popstat.dat has got nothing to do with passwords.

I've been told there's a second occurence of this file, but it's hidden.

No, there isn't. Where do you get your information from?

9. Uninstalled and reinstalled Thunderbird.

You've been wasting your time. Profile files are stored separately from the Thunderbird program files. The program files are static and do not change (except when you upgrade the Thunderbird application version). Because we store profile and program files separately, you can uninstall Thunderbird without losing your messages and settings, and if something goes wrong with a Thunderbird update your information will still be available. It also means that you don't have to reinstall Thunderbird in order to delete your information or troubleshoot a problem.

So now 3 years worth of customer correspondence has been removed from my email server and only present in my Thunderbird.

Then make sure you do have a backup. https://support.mozilla.org/kb/profiles-where-thunderbird-stores-user-data#w_backing-up-a-profile

What is your anti-virus software?