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My PEC mail sends me this error:

Sending username failed. The mail server mail.postecert.it responded: unsupported SASL authentication method

Can this be solved? Thanks

I have two Mac systems, an M1 MacBook Pro and a 2018 Mac Mini, both systems are running Sonoma 14.6.1. Last week I had to reinstall MacOS Sonoma on my Mac Mini (2018). After installing Thunderbird I noticed a difference between the two systems. I’ve always had the single line email listing as in the screenshot MBP, but now the Mini has a two line email listing as in the screenshot Mac Mini. How do I get back to the single line listing?

I was using Thunderbird for Windows 10 normally for many months. Recently, whenever I launch the app it immediately freezes, and I have to force quit the application. Reinstalling the app does not fix the issue. I haven't tried deleting my profiles yet, but I would like to avoid that if possible.

I tried to send an email and got a message saying "The message could not be sent because connections to Outgoing server (SMTP) pop3.gmail,com failed. The server may be unavailable or is refusing SMTP connections. Please verify your Outgoing server(SMTP) are correct and try again". I checked and they seem right but I cannot even send an email from one account to the other. The same message appears and I don't believe anything has been changed, aside from adding another address, that I know of.

I downloaded Thunderbird, set it up with 3 email accounts played around with it all afternoon, closed it then when I try and open it back up it's like it's not there at all. It takes me back the the 'thanks for downloading page and opens the bit for me to set up a new email. There are no folders there at all. All I can do is start afresh and enter the email addresses again. This can't be right???....

Since a recent TB update in August, the program now downloads previously-deleted messages from Gmail. TB downloads from the In folder (OKI), but also current messages that I sent to Trash folder (not OK).

Example: 50 new messages appear in the Gmail In folder. I delete 30 messages from the In folder, and they correctly move to the Trash folder, leaving 20 in the In folder.

I next launch TB on my Win10 PC and press F5 to begin the download. Until recently, I would get the remaining 20 messages and ONLY the 20. Now, TB downloads all 50, as if 30 were never deleted.

                                                       NOTE:  I changed no settings at either end.'

If I go into the Trash folder before downloading and delete today's trash, those messages are totally gone and won't download. But this was never necessary a few weeks ago.

If any reader had and fixed this annoying problem, please tell me how you did it.

Aiming to reduce memory used by my email. I have both Sent and Sent Mail folders. My preference would be to eliminate the duplication that takes place with the two. I understand that I can not unsubscribe from Sent Mail. Could Sent content be reduced to the items that are NOT in Sent Mail? Alternatives? My Sent folder contains more older files which I would like to retain but do not want to "try" something that MIGHT eliminate them. I am on a Mac23 with Latest Sonoma. Thunderbird on Gmail.

I have been using Thunderbird for years and am on 102.15.1, which works well. I want to skip the 115 updates and go directly to 128.2 esr. My email accounts are at hotmail.com and charter.net.

If I run the 128.2.0 esr file I downloaded from MajorGeeks, will it update the existing program or install a second version of Thunderbird?

Also, are there any known problems getting email from hotmail or charter/spectrum accounts that would make it a bad idea to do the upgrade?

Thanks for any help with these questions.

Hello TBird fans,

I wonder when ThunderBird native client for Android (currently named "K-9") will evolve to a point when internal calendar syncing will work properly, eliminating the need to import google calendars into desktop Tbird ? Is it possible to estimate that time now, or it's better to search for alternative solution(s) ?

I will need an Android synced calendar app soon, I would prefer ThunderBird, since I've been using it for at least a decade, and I'm not even satisfied but became enthusiast also. Best email client ever made IMHO. It would be very convenient to use TBird's integrated calendar.

I've searched the forums for "android calendar sync", but didn't find corresponding info, just this archived thread is closest to my question (particularly the 3. question of it) : https://support.mozilla.org/en-US/questions/1436077

I'm not willing to use google calendar, since I don't want unstoppable notifications and ads when my events are due in time.

Thanks, Peter ;-)

Hi. Same question as in https://support.mozilla.org/en-US/questions/1226211  : How can I customize the TB's main menu ?

I would like to remove menu items, which I never use:

• for simplicity
• to avoid accidental deletion (e.g. "delete folder", "delete message", "delete mail marked as junk in folder", etc.)

many thanks!

I get a message like this every time I start Thunderbird. The topic came up last year but the conclusion was along the lines of "...this problem will be fixed in version 128" but it was never clear whether or not the User followed Mozilla's support replies or what they had to do to clear the email message from Thunderbird. .....Well I'm running version 128.1.1esr and the problem still exists.

My questions:

1. What is Thunderbird trying to do? Compact individual email files? Compae from ct the whole Thunderbird Profiles folder?

2. Is the problem the size of the Profiles folder or the overall size of the hard drive the Profiles folder resides on? What is the Hard/solidstate drive is the maximum?

3. Is the problem related to the amount of Free Space left on the Hard/solidstate drive or is the issue the number of individual files?

4. Is the issue related to the number of Thunderbird files and/or folders OR is it related to the total number of files and/or folders on the hard drive?

5. Is there a limit to the number of sub-folder levels that Thunderbird can navigate?

Thank you.

Tom

Tom O'Brien TOBrienArchitect@gmail.com

I am trying to consolidate emails using the Thunderbird identity feature. I have a single email account call it acct1@yahoo.com. I have three other email addresses that get forwarded to Yahoo, call them acct2@pobox.com, acct3@pobox.com, and acct4@hostmonster.com. I can send emails to all of these accounts. In Thunderbird yahoo is the default identity and the other three are alternate identities. The outgoing server settings are all identical (see screenshot). I can send emails using the acct1 and acct2 identities, but not the other two. This is puzzling because acct2 and acct3 are both forwarded identically.

The error message I get is not very helpful: Sending of the message failed. An error occurred while sending mail. The mail server responded: Request failed; Mailbox unavailable. Please verify that your email address is correct in your account settings and try again.

I am running version 128.1.1esr (64-bit) on Windows 11.

A few weeks ago one of my email accounts stopped working so after attempts to find and fix the problem I resorted to deleting and recreating the account in Thunderbird.

The account is a hotmail.co.uk account and the server type is "POP Mail Server".

I noticed that there were fewer folders under the account (Inbox, Drafts, Sent and Trash). There may also have been a Junk folder. I thought that perhaps Thunderbird would create any additional folders as and when messages appeared in them, but I have now discovered that I have messages in the Spam folder on the server but they do not appear in Thunderbird.

Please can someone tell me what I have done wrong and how can I fix it.

Many thanks.

I've read a number of posts regarding using Mail Store Home to enable the transfer of mail from a PST file to TB. I was under the impression that the archive within MSH could be run against a stand-alone PST file (that is, Outlook is not installed). When I select Archive Email as per instructions on other posts, and specify the location of the PST file and then run, I get an error: "This feature requires Microsoft Outlook XP/2003 or higher". Does it require Outlook to be installed, or am I doing something wrong? Also I am a bit unclear of the run sequence with MSH - do I run Archive Email followed by Export Email and what is the connection between the two? Refer to image attached. Thanks.

I had a problem with a new upgrade for TB and was asked by another moderator on this site to update my version of TB (128.1.1esr 64-bit) to v128.2. My version of TB did not recognize the need for an update and so I downloaded and installed TB 128.2. It successfully installed as an upgrade but in a wholly different folder under C:\Program Files\MozillaThunderbird. The previous instance of TB, 128.1.1, was installed in a different location under C:\Program FIles\WindowsApps\Mozilla Thunderbird. Under control panel I see only one instance of TB and that is the new v128.2. Under Windows Settings, Apps and Features, there are two instances of TB.

Both instances appear to be seeing the mail profile so the only thing I want to know is if it is possible and how to remove the old version of TB without losing the mail profiles. Or do I uninstall the new version and roll back? In any event I do not want to lose a mail profile with years of information.

ello,

       About 5 months ago I had this same issue and paid a person $90.00 to fix this issue

and erything was working gin until just recently, I have this issue all over again! I cannot afford to keep paying people to fix this all the time is this issue keeps popping up! Now I cannot received or send any outgoing mail!! THE MESSAGE SAYS: SEND MESSAGE ERROR, SENDING OF THE MESSAGE FAILED THE MESSAGE COULD NOT BE SENT BECAUSE THE CONNECTING TO THE OUTGOING SERVER (SMPT) stmp.mail.yahoo.com failed. THE SERVER MAY BE UNAVAILABLE OR IS REFUSING SMPT CONNECTING. PLEASE VERIFY THAT YOUR OUTGOING SERVER (SMPT) SETTINGSD ARE CORRECT AND TRY AGAIN> I'M LOST, I'M NOT THAT TECHMICAL AND NEED HELP! FORGOT TO ADD ME EMAIL FOR WHAT TO DO! willowby4@yahoo.com

New up date Thunderbird 115.13.0 (64-bit) has completely removed all my local folders and my address book this is devastating with a complete loss of all this information is there a way of getting this back. I have used Thunderbird for many years and trusted it completely have never had any problem please help my system is Linux mint Linux Mint 21.3

Using Tbird 115 (or later) can gmail contacts be the listing used in Tbird and be in synch when changes are made in the gmail contacts list. There appear to be various methods and I seek the best and simplest. Thanks

Sending a mail results in the following message:

Sending of the message failed. An error occurred while sending mail: Outgoing server (SMTP) error. The server responded: Disallowed HELO string.