Thunderbird Community Forum

since 8/22/24 I have been unable to send email from one of my personal domains. Same install of T-Bird successfully sends SMTP via Gmail and my other domains.

I receive the error shown in the first photo below. Sending of the message failed. An error occurred while sending mail. Outgoing server (SMTP) error. The server responded: us2.outbound.mailhostbox.com ESMTP not accepting connections.

I have been back and forth with the domain tech support. Here are the email content (parsed for easy reading)

Me > I am having difficulty sending email. > I can POP email without issue. > I am using the most recent version of Thunderbird; version 128.2.0esr (64-bit) > When I send (with or without an attachment) I get the following error: error as shown above > I have never seen this error before and cannot find it in your knowledgebase files. > My SMTP settings: > > server name: smtp.drachenfelspress.com > Port: 587 > Connection security: None > Authentication method: Password; transmitted insecurely > User Name: mcaputo@drachenfelspress.com

Tech: If you are able to download emails from our server but unable to send out emails through the same, then it is likely that your Internet service provider is blocking port 25 on your local network. For such ISPs, you must use their SMTP server to send out mails on their network. Customer Support - TH

WELL Since I was using 587 that didn't help at all.

ME the error says YOUR server, "US2.outbound.mailhostbox.com ESMTP not accepting connections." This is YOUR error, not my ISP. I was using port 587, my ISP does not block port 25.

Tech try non-SSL using the following: STARTTLS Auth Normal change server name to smtp.<yourdomain>.com

Me No change

Tech Try reducing TLS version back to 1.0

Me No difference. Restored TLS 1.3

Tech return to the mailhostbox.com server Port 587 STARTTLS Normal full username

ME ok, no difference. That is where we started, didn't work then, doesn't work now. (second photo)

Tech Try port 25

ME Same results

Tech <resets my password>

Me Did you reset my password overnight?

Tech To investigate the issue, we needed to reset the password for mcaputo@drachenfelspress.com, to enable us to configure the Thunderbird email client on our end. The temporary password is "Se!!P)iqk2" We have successfully created a Thunderbird account and were able to send emails through it without any complications. The configurations we utilized are displayed in the screenshot provided below: us2.outbound.mailhostbox.com Port 587 STARTTLS Normal full username

Then change your password.

Me I appreciate your response. HOWEVER the issue remains.

Tech We have already replied to you on this matter.

ME Tried sending on port 465 and it indicated "sending" but hung there. Using Telnet I am able to access the us2.smtp.mailhostbox.com on port 587 but I cannot trigger an AUTH login through TELNET. (see CMD screenshot below)

Tech What is your IP address?

ME It is not static, but today's is (IP address at the time given)

Tech We have done further testing by setting the ThunderBird email client for mcaputo@drachenfelspress.com to both SSL and Non SSL connections. We can see both the implementations being fetched correctly without any issues. <provides two sets of POP and IMAP settings>

ME I can POP successfully, have always been able to. Problem is with SMTP, outbound mail.

Tech Provides two incomplete setting combinations: us2.smtp.mailboxhost.com port 587 smtp.drachenfelspress.com port 25 Upon using any of the two implementations, SSL or Non SSL as configured above, there should be no issues in setting up the email client.

The SMTP and IMAP passwords (if asked any) will be the same as your current email account password.

We are unable to replicate the issue you mentioned. Customer Support - TH

ME I am unable to replicate your success. I still cannot SEND email.

Tech We have rechecked and can confirm that we are able to setup the email client on the latest version of thunderbird i.e 128.2.1 as well using the same IMAP settings as shared in previous email. We are afraid that we are unable to replicate the issue you are reporting after numerous tests from our end. As a suggestion, could you try to connect to your mail account from a different network or ISP? Customer Support - TH

ME Again, IMAP is not used on this account the issue is with OUTGOING mail. Tried both SSL and non-SSL settings for drachenfelspress.com outgoing mail will not send.

That's ALL I have right now. I am going out right now to try to send email from a laptop with a fresh t-bird install while sitting in a McDonalds on their wifi...

Help?

Hi, Please see screenshot. The "From" field does not have my address and there is nothing to select in the drop down. I cannot type into the body of the email either. Also, when I click on "About Thunderbird" I do not get a pop-up window with version. I am receiving email. Thank you Cams

Basically, I'm trying to use Thunderbird to clear some space on my Gmail account. I'm using IMAP. However that just won't work (most of the time). If I archive emails to a local archive or move it to a local folder, a) nothing happens, b) the files are actually moved (and appear in the archive folders)... but the mails remain on the server when checking through Gmail itself. Also, the mails reappear after 10-20 minutes. c) mails are actually moved and they are removed from the server. Mostly it's a or b.

I have tried all deletion options... delete directly (doesn't appear to work), mark as deleted (won't free up space) or move to Trash. Depending on the folder it used to work for a short while, with the mails appearing in the trash folder, ready for deletion. But that stopped working again.

This is all super frustrating and I have no idea if this is a bug or expected behaviour.

Hi

I recently updated to 128.2.1 esr and my message filters are not working. When I open "Tools" > "Message Filters" the filter list is empty but when I open the msgFilterRules.dat file on my profile the message filters are there. (I made lot's of them.)

None of my accounts on Thunderbird are working (they are working on my alternate mail client). They worked fine yesterday, but today's email is not loading, and I cannot send emails from Thinderbird.

A month or so ago a systems update was sent to my software for the Mozilla Thunderbird. It wasn't anything we performed on our end. But ever since then it keeps trying to compact folders, created subfolders within folders, duplicating emails many times over within a folder, some of the duplicate emails have no content, some have the subject line of one email but the content of a different email. It keeps freezing up and has to be rebooted. Or I go to a folder that should lots of emails and nothing displays. It is affecting my job. Right now I have NO access to any of my emails for the last five years. I get the emails from my Gmail account, which I have forwarded to my Thunderbird software because I like the ability to keep everything organized within various folders then subfolder which I cannot do with the basic Gmail software. I only archive my Gmail account for the last six months so I have no backfile there. I have used Thunderbird software for several years and have relied on its organization. But if this doesn't get fixed I might as well retire since I cannot do my job. Our library's IT person can't work on it since it isn't software that the University license. I realize that no one will probably be able to help but I am asking for any guidance I can get.

Once I get a link I want to read, which is imbedded in the Thunderbird emails, I ALWAYS get the :gah your tab crashed". What do I do to correct this. I have been able to fix 2 problems today so far but no luck on this. Technicians worked on my computers so, you know they clicked something. Thanks normthompson@sprintmail.com aka Leauxbeaux

I run Thunderbird on a PC, and, to free up space on Drive C:, I have moved the contents of the folder Thunderbird in Appdata to Drive D:. I then changed my Server Settings, in Thunderbird, from C: to D:, and note that any new mail is indeed now appearing there along with those already transferred. This move could save me a valuable 6 gig of space, and more in the future, however, I am unable to remove that original Thunderbird folder entirely, notably I am unable to remove the contents of the Profiles folder, as it is still linked to the application. Notably with cookies.sqlite, cookies.sqlite-shm, store.json, mozlz4, aborted-session-ping and many others, which I note some have continued to be updated. I have been unable to find any other settings in Thunderbird referring to Drive C:, other than those in Server Settings.

I could presume that if I installed another version of Thunderbird on Drive D: and maybe moved those existing contents of the Thunderbird folder on C: onto Drive D:, and made those numerous settings changes to the App it could work. But I ask is there an easier way to complete this move? How can I complete this transition of Thunderbird from Drive C: to Drive D:?

Hi. Is there a way to add travel time to an appointment just like you can do in google or apple calendar? It’s a great feature. When I add an adres to my appointment Apple calendar will automatically add the travel time by car from my home to the destination. I miss that feature in Thunderbird.

I suffered a computer crash and in the process of recovery made some mistakes.

I would like to recover old messages and the calendar. Unfortunately, there are multiple profiles and (I didn't create them) I'm not sure which one to use.

I am uploading various images of the profile folders. If additional info is needed, I am willing to upload.

Ultimately, I want to combine the older messages with more recent msgs.

Thanx in advance,

Mike-a

When I switched my computer on this morning, Thunderbird refused to dowload new emails. Nothing I have tried solves the problem. A message in Crash Reports says:

"Shutdown hanging at step XPCOMShutdownThreads. Something is blocking the main-thread".

My copy of Thunderbird is up-to-date and accesses two accounts (Gmail and my university account (IMAP)). New emails are missing from both.

Any advice on how to solve this problem would be appreciated.

Thank you,

David Harvey (david.harvey425@gmail.com)

Hi Thunderbird Support Team,

I recently installed the latest version of Thunderbird in a Hyper-V virtual machine and encountered the following message: " Approval required Mozilla Thunderbird This app requires your admin's approval to: Read and write access to mailboxes via IMAP. Read and write access to mailboxes via POP.

Allows the app to have the same access to mailboxes as the signed-in user via POP protocol.

This is a permission requested to access your data in xx Send emails from mailboxes using SMTP AUTH. Maintain access to data you have given it access to View users' basic profile"

This was functioning with the previous version of Thunderbird, but now my IT team requires additional information about what the app is trying to do with our Office 365 environment. The approval process is crucial because some apps may introduce security risks or seek extensive access to our Office 365 resources.

Could you please provide more detailed information on the permissions requested and the specific changes in this version compared to previous versions? This will help in getting the necessary approval from our IT team.

Thank you for your assistance.

Best regards, Jenny

I read that I now need a secure mail key so I can access my emails with third party app Thunderbird. I have created a secure mail key at att.com which is part of Yahoo. My email app is att.yahoo.com. I was told the passwords for Thunderbird would be within the profile under the Profile Folder but I cannot find them there. All I want to do is update my password within the Profile Folder and it seems like it would easier to break into Fort Knox.

Our email accounts are attached to our host domain name. We are going to be changing the host domain location from a smaller local provider to Spectrum Internet to service. The email addresses XXX@xxx.com 'will not change, only the server host location. As a backup, we are moving all existing emails located in subfolders under the email accounts to the LOCAL folder (creating new "trees" there) so they are in a permanent location to be unaffected by the server change. From my knowledge... we will not create new email accounts in Thunderbird .... only change the server location, ports, etc for that specific email. I want to confirm with others that this should be the plan?

Hi, I have configured 2 accounts for E2EE using OpenPGP. I can send signed emails &/or encrypted messages between the 2 accounts. However, if I send a "normal" message i.e. no signing & no encryption selected, it arrives as not signed (correct), but encrypted according to the "Show message security" icon. If I send a normal message to an account that has no known encryption setup, then the message arrives and the "Show message security" button is missing (correctly).

Any ideas why this is happening? Thanks for your help.

Thanks for listening: Last week, Thunderbird began returning this message with each attempt to send mail: An error occurred while sending mail. The mail server responded: <tedcomo@chartertn.net> sender rejected. Please verify that your email address is correct in your account settings and try again. I have no problem receiving mail. At the same time, my wife began having the same problem on her laptop, which tells me either Charter, or Mozilla, changed something. I started with Charter. They told me to rename both servers to mobile.charter.net (outgoing mail was formerly smpt.charter.net. No effect. They then had me log into Spectrum and send a test mail directly from my account. It went through OK and they said the problem had to be on Mozilla's end. Any suggestions?

The global search in TB is completely defective. I am now running 128.2.0esr and hoped that update might fix it. It hasn't. I just wonder, are there any older or non ESR versions I can downgrade/move to, where the search is fully functional?