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Whether I use the "reply" menu or "Reply" buttons a new email is created but there is no email address shown for the recipient. This has only started happenning after I upgraded to version 52.1.1

"The message could not be sent because the connection to outgoing server smtp.gmail.com was lost in the middle of the transaction. Please try again."

My email is driving me mad! I can receive emails no problem, but can I send them?? No. It just keeps timing out. Very annoying, I've been through every possible support forum and tried everything, I've increased the timeout time, I've checked the SMTP is all right, it is, I've deleted my account and the programme itself and reinstalled all to no avail. Very frustrating. Any help would be greatly appreciated!

It used to be a rare occurence, but now every single time I close TB and shortly thereafter, during the same session, I try to re-launch tb I have to call up Task Mgr and kill thunderbird.exe. It is an annoyance which I would like to get rid of. Any suggestions? Thanks!

For some reason, thunderbird (windows 8) has essentially stopped working. Over a minute to open an email--all other functions have similar delays. I tried to archive, but I keep getting a message that says that a script has stopped working. It does the same in thunderbird safe mode. My old computer (XP) works fine. I can't find my profiles on windows 8 to rebuild the global database.

Hi there, I am getting terribly frustrated, desperately appreciate some help!

For over a week now, I can receive emails just fine, but sending fails completely. It has been working for years, but all of a sudden stopped.

Errors include (see images attached).

Have tried numerous SMTP settings and servers.

Using: Mozilla Thunderbird 52.2.1 (and later version, but rolled back to see if problem got fixed.) Windows7 Pro Avast Antivirus BT Fibre to Home

Any help be greatly appreciated. cheers, Chris

P.S. NOTE: One thing to bear in mind, this did occur at similar time of trying the BETA version on the Outlook Mail Website (But that was on a different PC). Maybe a coincidence, but thought I would mention it anyhow.

Additions: I have tried: • disabling my Antivirus. • rolling back Thunderbird several times to previous versions. • testing port allowance through router.

UPDATE - I have just installed the Outlook App on my android phone, set up my POP account, and IT WORKS both incoming and outgoing! So it looks like it's down to just my PC then.

Dear Friends,

I can Email my wife at [elainefraser43@hotmail.co.uk] from my Gmail account:

I can Email myself [ralphfraser1@talktalk.net], which is on "Thunderbird", from her Hotmail account:

BUT, when I attempt to Email HER via "Thunderbird" my Emails are rejected, and I get the above-mentioned Unknown address error 550-"SC-002 [COLO-MC3-F42] failure message!!

This is all WELL above my head!!

Please can you explain what needs to be done here???

Regards,

Ralph Fraser

I have found that Windows Defender, for better or worse, does not play well with Thunder 64.3 and later and often causing freezing and glitches while using Thunderbird. I then found that users can add exclusion folders to Windows Defender, but when trying to explore the directories to get to my profile, Windows Defender cannot see the relevant directories once I get to C/Users/<Username> - I'm not sure how to add the directory in an attempt to isolate the problem. Does anyone have any suggestions?

I have a fresh install of Thunderbird on Windows 7 Pro 64-bit using original default profile with two mail accounts configured correctly and both set to store messages in Local Folders. Clicking 'Get Messages' on toolbar does nothing - retrieval is not even attempted according to status bar. However, I can retrieve messages by clicking the 'Get Messages' dropdown and selecting each individual account.

My previous installation on Windows XP was able to check all configured accounts by simply clicking 'Get Messages'.

Hello, I recently deleted all my emails by accident, but have read that they are still in the mbox file. I have changed the x-mozilla-status to 0000, and I have broken the file up into six parts to make it editable on VIM.

The file is all over the place... blank lines missing, names missing.... but the file is recognised in Thunderbird and shows a few hundred of the emails...

By dividing up the inbox, each of the smaller files shows about 350 or so emails. But not all. The importing seems to stop after a multi-part mime message... no messages after that are recognised.

I have found python scripts like mboxsplit.py that say they will separate the mbox into individual emails, but it is also not recognising the emails after the mime fault.

Does anyone know of a code that will just recognise the From - line and split that way?

I can't find any splitting solutions that don't try to read messages or understand mboxdr format. I just want to separate text, save as different files.

Win8.1 using Tbird 24.5.0. Download of emails became intermittent in mid-May. As of 6/4, none can be downloaded. No problem sending emails. I have a POP3 account with Earthlink. I started Tbird in safe mode via Help > Restart with ad-ons disabled.

The status bar at the bottom stated that I was connected to pop.earthlink.net. Then it stated that is was 'Downloading message 1 of 116'. After a while with no messages coming in, it stated 'No messages to download'. It never said downloading message 2, so I don't think the messages went somewhere unknown.

This is the situation with my Windows firewall disabled and with my G Data antivirus disabled. I've tried various other things after reading that others are having a similar problem. Earthlink support verifies that I have the right setup. I uninstalled Tbird and reinstalled. I removed the account and added a new one -- and lost my saved emails until I went to my backup. Someone mentioned a ad blocker. I have one on Chrome from Adblock Plus; I don't see how that would affect Thunderbird.

What now? Thanks, Bruce

I am using 24.4 Windows 7. My online account only has one copy of each email. All my other devices with Thunderbird on them work fine. This has been happening since April 3. I use avasti. I am so tired of deleting and would appreciate help. It is discouraging that I cannot contact Mozilla Thunderbird directly.

Thanks for any suggestions Susan

Running win 7 Pro. Previous beta was running fine. Accepted the offered update and now the program won't load. Uninstalled and reinstalled , still no load. Process explorer shows the thunderbird.exe process running. I have exempted relevant folders from antivirus scope.

I have 2 email accounts on TB, one is a hotmail account and one is an msn account. MSN account works fine. Hotmail account on my iphone works fine both sending and receiving messages. On Thunderbird my hotmail account receives messages but if I try to "reply" to a message or if I try to send a new message using the hotmail account I receive the following message. When I checked my version it says I'm using Mozilla/5.0 Windows NT10.0 WOW 64, rv: 52.0 gecko/20100101 Thunderbird/52.3.0

An error occurred while sending mail. The mail server responded: 5.2.0 STOREDRV.Submission.Exception:SendAsDeniedException.MapiExceptionSendAsDenied; Failed to process message due to a permanent exception with message Cannot submit message. 16.55847:BD0B0000, 17.43559:00000000A0000000000000000000000000000000, 20.52176:140F4D8011004010F1030000, 20.50032:140F4D8081174010F1030000, 0.35180:140F4D80, 255.23226:F1030000, 255.27962:7A000000, 255.27962:0A000000, 255.27962:0E000000, 255.31418:80030400, 16.55847:98000000, 17.43559:0000000068010000000000000000000000000000, 20.52176:140F4D801100F01F140F4D80, 20.50032:140F4D808117F01F2C000000, 0.35180:7D110000, 255.23226:00000000, 255.27962:0A000000, 255.27962:32000000, 255.17082:DC040000, 0.27745:00000000, 4.21921:DC040000, 255.27962:FA000000, 255.1494:140F4D80, 0.37692:AD000000, 0.37948:AD000000, 5.33852:00000000534D545000000000, 4.56248:DC040000, 7.40748:010000000000010B31373A44, 7.57132:00000000000000003A633962, 1.63016:32000000, 4.39640:DC040000, 8.45434:00010200C901F8B500000000000000001A010480, 5.10786:0000000031352E32302E303037372E3031373A444D35505231374D42313038323A63396231653232372D663432632D343833612D613332612D34353732333736386438306200F90F05000780, 255.1750:80030400, 255.31418:140F4D80, 0.22753:80030400, 255.21817:DC040000, 4.60547:DC040000, 0.21966:2C000000, 4.30158:DC040000 <00a4d544-836b-0fd1-cc78-480e216372c2@hotmail.com> [Hostname=DM5PR17MB1082.namprd17.prod.outlook.com]. Please check the message and try again.

Hi. Today, at the end of my work session, I have cleaned my computer with 'CCleaner' and then I have switched off my computer. When I have turned on it, both firefox and thunderbird have restarted themselves as if I had just installed them. Firefox never mind because there are still all the bookmarks, but thunderbird show me the initial settings. How I can solve this problem? I have a backup, but it hasn't been updated recently.

Using 52.8 in WIN 7 Pro workstations. For certain emails Thunderbird displays a received time (in the folder item listing) that is exactly 1 hour later than actual time. Checking headers reveals accurate time stamps from all server steps. LAN router and local workstations have correct time. This is consistent for email from a given sender (sending device time is correctly set) and the displayed time is identically incorrect for multiple recipients. Where does Thunderbird get the displayed "received" time?

I shutdown Thunderbird and restarted and it now prompts me to create a new account and all my email boxes are missing. The files are still in C:\Users\masud\AppData\Roaming\Thunderbird\Profiles\xxxxxxxx.default and I have tried creating a new profile and transferring over some of the main files to the new profile, but this gives the same problem. I have uninstalled and reinstalled TB and still no luck. My Address book is accessible though.