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*.megamailservers.com

Are they a legit. service (or a hacker)? Sectigo RSA Domain Validation Secure Server CA The image below shows my domain, but I never got this warning before. Has it bee… (Lesen Sie mehr)

Are they a legit. service (or a hacker)?

Sectigo RSA Domain Validation Secure Server CA

The image below shows my domain, but I never got this warning before. Has it been hacked?

What should I do?

Thanks for your help

Richard P.S. I sometimes receive e-mails from my own address, that I have not sent...

Gefragt von richard_johnson vor 9 Monaten

Beantwortet von Toad-Hall vor 9 Monaten

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Thunderbird vs Tutanota for business users

Hi, in terms of security and privacy features, what are the differences or pros & cons between Thunderbird and Tutanota Premium (the first option on the second tab he… (Lesen Sie mehr)

Hi, in terms of security and privacy features, what are the differences or pros & cons between Thunderbird and Tutanota Premium (the first option on the second tab here: https://tutanota.com/pricing) for business users? I'm especially interested from the point of view of a small business, but I'd appreciate any helpful details. Thanks!

Gefragt von catalina.radu vor 1 Jahr

Beantwortet von david vor 1 Jahr

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POP email accounts no longer work

I have 5 accounts on Thunderbird. 2 are IMAP, which are working correctly. 3 are POP and have stopped working. I can access all 5 accounts on my android devices and on we… (Lesen Sie mehr)

I have 5 accounts on Thunderbird. 2 are IMAP, which are working correctly. 3 are POP and have stopped working. I can access all 5 accounts on my android devices and on web browser, Currently.com/yahoo. When signing on I get the following messages.

login to server inbound.att.net with username xxx.att.net failed.

Sending of password for user xxx@att.net did not succeed. Mail server inbound.att.net responded [sys/temp] Server error - Please try again later I had to use Currently.com email client to correct/change passwords for these 3 accounts to work on Currently.com and android devices. I suspect the passwords got corrupted somehow. I have tried to delete account from Thunderbird and reinstall. Did not help. I have looked at all account settings and outgoing SMTP Server settings and all looks correct. The Outgoing Server name is the same as the default identity name for each account. Is there a setting in Thunderbird to clear password and accept the correct or a new password

Gefragt von john.larribeau vor 11 Monaten

Beantwortet von sfhowes vor 11 Monaten

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Setting S/MIME as the default signature scheme in Thunderbird 102

I prefer to use S/MIME to digitally sign my email messages. Prior to Thunderbird 102.3.1, using S/MIME to digitally sign my messages was the default. Now, for every sing… (Lesen Sie mehr)

I prefer to use S/MIME to digitally sign my email messages. Prior to Thunderbird 102.3.1, using S/MIME to digitally sign my messages was the default.

Now, for every single email I send, when I click "Send" I get the dialog box "OpenPGP Alert - Cannot digitally sign this message, because you haven’t yet configured end-to-end encryption for <email address>". I have to then select "S/MIME" from the encryption/signature menu.

It's a pain to have to remember to do this for every email I send.

I checked my account settings. "Do not use OpenPGP for this identity" is checked. The correct S/MIME certificate is selected.

How do I set the default signature method to be S/MIME instead of OpenPGP in this new version of Thunderbird?

I'm running Thunderbird 102.3.1 on Mac OS 10.14 Mojave. The Enigmail plugin is disabled. I have an OpenPGP key that I created 20 years ago on my system, and Thunderbird recognizes its presence, but I do not use it.

Gefragt von crytolos vor 1 Jahr

Beantwortet von crytolos vor 1 Jahr

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Authenticating to Outlook O365 with PIV card

I'm trying to set up Thunderbird as a client for outlook O365. We use PIV cards for authentication. When I try to add the account, a pop up window comes up asking me to… (Lesen Sie mehr)

I'm trying to set up Thunderbird as a client for outlook O365.

We use PIV cards for authentication.

When I try to add the account, a pop up window comes up asking me to authenticate. Thunderbird does not play well with PIV cards, so it doesn't go through (the card works well with Chromium but not Firefox).

I tried installing the Owl for Exchange plugin, but when I try to add the account, the pop up window to authenticate closes quickly and I see a message saying "gMsgWindowList[msgWindowHandle] is null".

Any advice? Alternatively, is it possible to configure Thunderbird to use Chromium for authentication?

Gefragt von ivanperezdominguez vor 7 Monaten

Beantwortet von ivanperezdominguez vor 7 Monaten

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S/MIME Digital Signature Is Not Valid, but can decrypt and sometimes encrypt...

In addendum to the below: I am now up to TB v 121.0.1 and still have this issue of untrusted S/MIME signatures from DoD sources. As I also have a DoD email, I can send … (Lesen Sie mehr)

In addendum to the below: I am now up to TB v 121.0.1 and still have this issue of untrusted S/MIME signatures from DoD sources. As I also have a DoD email, I can send myself test messages. If I send an unencrypted message from my DoD email in reply to to an S/MIME signed message from TB, I get the behavior described below in the original post, where my DoD S/MIME signature is not valid. If I reply to the same signed TB email with an encrypted message from my DoD email, TB decrypts the message but still says my signature is not valid. However, the "invalid" message is slightly different with an additional clue - the message states that "This message includes a digital signature, but the signature is invalid. The message was signed using an encryption strength that this version of your software does not support." See snips 4 (error)+ 5 (successful decryption) below. Is it possible that the newer signature certificates from DoD use an encryption strength that cannot be decrypted by TB, yet the message encryption works? Another clue is that it appears I can send encrypted emails to some DoD recipients (but not all) even if their signature is invalid.

Original Post: I have received a signed email from a DoD sender in TB v115.5.1. The S/MIME icon states the Digital Signature is Not Valid (png below), consequently, the cert was not imported into the TB Certificate Manager. I have updated the DoD Root Certificates, and ensured that the most commonly used DoD Root certs and Email certs have trust settings that identify web sites and mail users (add'l png examples). I cannot examine the cert I received in TB, although I seem to recall I could by clicking on the icon in earlier versions of TB.

How can I: 1) Identify the certificate authorities for the invalid cert to ensure they are trusted? 2) Examine and import the certificate from the user? This is not unique to a single user, it happens with DoD emails whose certs were not already in my Certificate Manager, and the organization I commonly communicate with is changing everyone's email, so everyone is getting new certs. This prevents me from sending encrypted emails to the recipients.

Gefragt von BarnRat1 vor 4 Monaten

Beantwortet von BarnRat1 vor 2 Monaten

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Master or primary password is not being accepted anymore

Hello, I set up a master/primary password, but it isn't being accepted. How do I reset it or get rid of it completely for Thunderbird? I've tried uninstalling the progra… (Lesen Sie mehr)

Hello,

I set up a master/primary password, but it isn't being accepted. How do I reset it or get rid of it completely for Thunderbird? I've tried uninstalling the program, rebooting the computer, then reinstalling Thunderbird, but the password request continues to pop up.

Thanks!

Gefragt von chrystiality vor 6 Monaten

Beantwortet von chrystiality vor 6 Monaten

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SSL settings to send an e-mail

When I try to send an e-mail I get a message that says that the client host rejected it and tells me to enable SSL in my client. This just began today (June 30). Howeve… (Lesen Sie mehr)

When I try to send an e-mail I get a message that says that the client host rejected it and tells me to enable SSL in my client. This just began today (June 30). However my Thunderbird settings indicate that my connection security is SSL/TLS. What more do I need to do to enable SSL and be able again to send e-mails? My e-mail provider is frontier.com

Gefragt von rdbulkley vor 1 Jahr

Beantwortet von rdbulkley vor 1 Jahr

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TB cannot find my PgP keys

I have TB, Windows 10 64x and I only use Firefox as browser. I keep all up to date. I use several email accounts from different domains and mail service providers, and I… (Lesen Sie mehr)

I have TB, Windows 10 64x and I only use Firefox as browser. I keep all up to date.

I use several email accounts from different domains and mail service providers, and I digitally signed for two of them with PgP. Up to two months ago, I was doing so with no problem -with Enigmail originally, and then with the integrated system in TB.

About two months ago, I installed one official -Goverment- certificate in Firefox (not in TB) but -coincidence or not, but I wanted to mention it just in case.

A few days after one TB update, I was unable to sign any mail digitally, and since then I get the following message The configured key XXXXXXXXXXXXXXXXXXXXXXXX cannot be found on your keyring.

I erased previous keys and created/generated new ones, and I tagged them as personal keys, but it still does not work. I erased all of them again, set one of the email addresses as preferred account in TB, generated the new keys, and I still get the same problem.

Furthermore. When I generate a new key, if I try to refresh it in TB keymanager menu, it responds "We could not find any usable key with matching criteria", in spite that the key that has just been generated, still appears in the key manager.

Thus, I cannot encrypt or digitally sign any mails.

The Console shows the following:

GenericSendMessage FAILED: [Exception... "compose-send-message prevented" nsresult: "0x80004004 (NS_ERROR_ABORT)" location: "JS frame :: chrome://messenger/content/messengercompose/MsgComposeCommands.js :: CompleteGenericSendMessage :: line 5943" data: no] MsgComposeCommands.js:5995 [Exception... "compose-send-message prevented" nsresult: "0x80004004 (NS_ERROR_ABORT)" location: "JS frame :: chrome://messenger/content/messengercompose/MsgComposeCommands.js :: CompleteGenericSendMessage :: line 5943" data: no]

Any input will be more than welcome

Al

Gefragt von alvaro15 vor 12 Monaten

Beantwortet von christ1 vor 12 Monaten

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Thunderbird does not display SMTP password dialog during email sending when no password is available

Version: 102.12.0 FYI, the buttons / options that i refer to might be named slightly differently, as i'm using dutch language for my interface. Summary The enter pass… (Lesen Sie mehr)

Version: 102.12.0

FYI, the buttons / options that i refer to might be named slightly differently, as i'm using dutch language for my interface.

Summary The enter password dialog is not showing up when sending an email over SMTP, when the password previously was added to the password manager, but has been deleted since.

What happend

  1. I've had a working account to an IMAP and SMTP server (both same subdomain, same password, diffrent ports).
  2. the password was stored in the password manager.
  3. the subdomain and port of the SMTP server needed to change, and i update the subdomain and port in account settings > outgoing server (SMTP) > Edit SMTP server. The new subdomain for SMTP was not known yet by the password manager.
  4. on sending the next email through SMTP, i was prompted for the new password, with the "store in password manager" checkbox unchecked.
  5. I entered the wrong password (LDAP instead of email) and checked "store in password manager", then continued the email send process.
  6. this led to an error sending the email.
  7. I checked online how to change the password and found https://smallbusiness.chron.com/reset-password-thunderbird-48064.html , which advised me to delete the password from the password manager.
  8. I deleted the password, closed the password manager dialog and restarted thunderbird as per the previous link.
  9. I pressed get messages without getting prompted for the SMTP server password, which is expected as the IMAP is still using the old subdomain with the stored password.
  10. when re-sending the email that i have in my draft / concept folder, i was not prompted to enter the password for the new SMTP subdomain, even though i removed it from the password manager.
  11. sending timed out with error about failed to send the email, because connecting to the outgoing SMTP server failed. with the added hint that perhaps the server is not available or refusing SMTP connections. However, the connection does not have a password to connect with stored, and other people are able to connect to the new SMTP subdomain and send emails.

What have i tried

  • Troubleshooting Mode
  • Clear startup cache
  • restart thunderbird
  • reboot laptop

I've checked https://support.mozilla.org/eu/questions/1245702, but this did not help my situation and can't find anything else that matches my issue.

Can you please help me with how I can either manually add the password for the subdomain (the subdomain is no longer in the password manager), or trigger the SMTP add password dialog?

Gefragt von estolman vor 9 Monaten

Beantwortet von david vor 9 Monaten

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Unknown identity / Add security exception rule/ during login to my email @t-online.de with Thunderbird Version 102.6.1

Dear Thunderbird Help Team, since 3rd January 2023 I get a warning message from Thunderbird during login to my @t-online.de each time I try to read my mails. I am using… (Lesen Sie mehr)

Dear Thunderbird Help Team,

since 3rd January 2023 I get a warning message from Thunderbird during login to my @t-online.de each time I try to read my mails.

I am using Thunderbird 102.6.1 (64) On Windows 10 Home PC with latest Edition Windows 10 Home Version 22H2 Installiert am ‎13.‎04.‎2022 Betriebssystembuild 19045.2486 Leistung Windows Feature Experience Pack 120.2212.4190.0

Please see the attached warning message (in German). In my translation of the warning says: "Add security exception rule.... The certificate is not trusted because it has not been verified to have been issued by a trusted authority using a secure signature..."

If I view into the certificate I read the following, see screenshot attached.

I now would not like to accept the security exception permanently. I think this is best practice not to accept such a exception?

Dear help community, do you have any help to fix this issue please? Kind regards

Gefragt von N7 vor 1 Jahr

Beantwortet von christ1 vor 1 Jahr

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No more inserting a digital signature?

Thunderbird version 91.xx and older used to have an option in the Composition Toolbar of the [Write] window to insert a digital signature. See attached digisig_TB91.jpg. … (Lesen Sie mehr)

Thunderbird version 91.xx and older used to have an option in the Composition Toolbar of the [Write] window to insert a digital signature. See attached digisig_TB91.jpg.

From Thunderbird 102.0 onwards that digital signature option is removed, though its settings in [Account Settings > End-To-End Encryption] are still there. See attached digisig_TB102.jpg.

Shall the digital signature option in the Composition Toolbar ever return?

P.S. 1. Yes, yes, I know. I can still insert a digital signature, but switching the function ON and OFF again in [Account Settings > End-To-End Encryption], is an annoyingly time-consuming hassle. 2. Do not confuse with encryption. That's a totally different function and purpose.

Gefragt von 3/4voorby vor 1 Jahr

Beantwortet von christ1 vor 1 Jahr

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Bitdefender detects a vulnerability exploit in thunderbird.exe

Hello everyone ! I've used Thunderbird for a few months by now, and all worked well. However, approximately a week ago, Bitdefender suddenly started to prevent Thun… (Lesen Sie mehr)

Hello everyone !

I've used Thunderbird for a few months by now, and all worked well. However, approximately a week ago, Bitdefender suddenly started to prevent Thunderbird from starting, warning me that it had detected a vulnerability exploit in thunderbird.exe.

I tried to de-install and re-install Thunderbird, on my data (D:/) disk and on my system (C:/) disk, but it didn't help... Is it possible that the vulnerability is in a config file that isn't deleted when uninstalling Thunderbird?

Thank you in advance for your help!

Gefragt von Solarius vor 1 Jahr

Beantwortet von christ1 vor 1 Jahr

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Passwords not saved

TB 102.12.0 Win10 22H2 19045.2965 I have two accounts that doesn't use the account password on startup. On the 10 min interval checks it no longer asks for the password… (Lesen Sie mehr)

TB 102.12.0 Win10 22H2 19045.2965

I have two accounts that doesn't use the account password on startup. On the 10 min interval checks it no longer asks for the password, just gets any messages. All of the accounts are pop3.

I deleted them in password manager thinking it would re-save them when entered - it doesn't. There is no checkbox to check to save the password.

Passwords for other accounts work fine.

How can this be resolved?

Thanks Dennis

Gefragt von droesler vor 9 Monaten

Beantwortet von droesler vor 9 Monaten

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Inserting image in signature is blocked -- no way to allow to include the image

Thunderbird version 102.5.0 (64-bit) Debian 11 (Bullseye) KDE Plasma 5.20.5 I am trying to insert a HTML signature to my new messages. The HTML file contains a link to t… (Lesen Sie mehr)

Thunderbird version 102.5.0 (64-bit) Debian 11 (Bullseye) KDE Plasma 5.20.5

I am trying to insert a HTML signature to my new messages. The HTML file contains a link to the signature file.

When I try to compose the message I get this message: "Thunderbird has blocked a file from loading into this message. Unblocking the file will include it in your sent message." There is a button "Preferences". When I click it, the message says: Unblock file:///home/xxx/yyy/zzz/artwork/email_sign_20160719.png

When I click Unblock, nothing happens.

I have tried to compose manually a new email and insert this image. Menu -> Insert -> Image -> Chose file. Chose the same file.

Same error message and no result when allowing / unblocking this image.

In Settings -> Privacy -> Mail Content -> Allow remote content in messages is checked. There is no exception blocking local file content.

I have added an exception, allowing everything starting with file:/// . No result.

In config editor I have mailnews.message_display.disable_remote_image set to false.

I am out of solutions. This is far beyond a simple method to allow me to attach an image in a signature.

Gefragt von jlinkels vor 1 Jahr

Beantwortet von jlinkels vor 1 Jahr

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Unable to send messages

2 days ago i could send messages. now I cant. I removed the smtp address like the help section told me to after getting the "Login to account "Google Mail" " dialog bo… (Lesen Sie mehr)

2 days ago i could send messages. now I cant. I removed the smtp address like the help section told me to after getting the "Login to account "Google Mail" " dialog box and subsequent retrying of a good password had failed... I havent changed my password and am able to login directly to gmail no problem. thunderbird has the correct /same password but still the dialog box shows. I see the 0auth password ( also attached) but its too long to copy and paste so must be gernerated by google. I tried this after I got the send message error ( also attached) and tried what it said...

Also attached are the current saved logins etc minus the smtp I deleted.... The authentication method is set to 0Auth2.

what am I missing? thanks

Gefragt von quanton vor 1 Jahr

Beantwortet von quanton vor 1 Jahr

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Update Security Settings for Telstra Email account

Received email from Telstra "From 30 January 2024, Telstra will stop allowing any emails to be sent from unauthenticated email addresses. Put simply, emails won’t be sent… (Lesen Sie mehr)

Received email from Telstra "From 30 January 2024, Telstra will stop allowing any emails to be sent from unauthenticated email addresses. Put simply, emails won’t be sent if your security settings aren’t configured to validate your username and password before the email is sent. From our records you are currently sending unauthenticated emails from........." "What’s next? To continue to send email, you will need to update your security settings for each device that you use to check and send emails https://www.telstra.com.au/support/email/unauthenticated-traffic-limit "

Unfortunetly this link does not give instructions for Thunderbird. Contacted Telstra support and they said to contact Thunderbird support.

Screen shot of current settings attached. Have been getting the following message when sending multiple emails - "Reference: 451-4.5.3. OB315 Unauthenticated traffic limit met."

Can someone help with this. Thanks in advance.

Gefragt von Eddie Lee vor 3 Monaten

Beantwortet von Bogomil Shopov - Бого vor 3 Monaten

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Messages to gmail addresses now requiring authentication.

Hello, I am having trouble sending Email messages to gmail addresses. This problem only started a few weeks ago. These messages are being blocked, with a failure report… (Lesen Sie mehr)

Hello, I am having trouble sending Email messages to gmail addresses. This problem only started a few weeks ago. These messages are being blocked, with a failure report being sent back to me. This particular report example is of failure when sent from my address rai@raisig.net to my own gmail address! What can be done to my Thunderbird outgoing message settings to satisfy the gmail checks, please?

Rai Fenton

<Message Delivery Failure report start>

     This is an automatically generated Delivery Status Notification.      

Delivery to the following recipients failed permanently:

  * raifenton@gmail.com

Reason: There was an error while attempting to deliver your message with [Subject: "Reminder, next walk - Friday 22nd April - Wanstead Park"] to raifenton@gmail.com. MTA p3plwbeout05-02.prod.phx3.secureserver.net received this response from the destination host IP - 173.194.205.26 - 550 , 550-5.7.26 This message does not have authentication information or fails to 550-5.7.26 pass authentication checks. To best protect our users from spam, the 550-5.7.26 message has been blocked. Please visit 550-5.7.26 https://support.google.com/mail/answer/81126#authentication for more 550 5.7.26 information. h12-20020a05620a244c00b0069ad44d7f43si132489qkn.700 - gsmtp .


Reporting-MTA: dns; p3plwbeout05-02.prod.phx3.secureserver.net [97.74.135.83] Received-From-MTA: dns; mailex.mailcore.me [94.136.40.141] Arrival-Date: Tue, 19 Apr 2022 09:12:38 -0700


Final-recipient: rfc822; raifenton@gmail.com Diagnostic-Code: smtp; 550-5.7.26 This message does not have authentication information or fails to

Last-attempt-Date: Tue, 19 Apr 2022 09:12:39 -0700 <end of Message Delivery Failure report>

Gefragt von Rai vor 1 Jahr

Beantwortet von christ1 vor 1 Jahr

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Adding yandex.ru account via normal password

Hello! I'm having problems with setting up my yandex account in Thunderbird. App password is absolutely correct. The most curious thing is I was able to setup another ya… (Lesen Sie mehr)

Hello! I'm having problems with setting up my yandex account in Thunderbird. App password is absolutely correct. The most curious thing is I was able to setup another yandex account, but now I can't setup the second. I asked yandex for support, but they told me to ask you for help. Could you help me please?

Gefragt von a.v.nokhrin vor 6 Monaten

Beantwortet von sfhowes vor 6 Monaten

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Turn off thunderbird sending activity information back to email sender

My thunderbird configuration uses POP to download email onto my local computer. I recenly became aware that evrytime I read an email I have received from Constant Contac… (Lesen Sie mehr)

My thunderbird configuration uses POP to download email onto my local computer. I recenly became aware that evrytime I read an email I have received from Constant Contact, Constant contact is being sent and report of my access that email. That is not refering to when the email is downloaded. After I download the message, Constant Contact is notified I have open the email. This happens just by opening the email, no links in the email have been clicked. I have the sending of return receipts turned off, but this seems like something different than a return receipt.

I suspect this is related to some of the tags I see in the email: X-Campaign-Activity-ID, X-Channel-ID, X-Feedback-ID, etc.

I am sure the marketing people on the other end love this, but to me it is an invasion of my privacy. Is there a way to prevent this in Thunderbird? It seems to me to be a no-brainer that email users should be able to prevent such an intrusion into their privacy. Am I wrong on that?

Gefragt von azalea4va vor 1 Jahr

Beantwortet von azalea4va vor 1 Jahr