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My Charter.net mail has suddenly started to come into my inbox and automatically is moved to trash by Thunderbird. I do not have antivirus, i have not changed any settings, it is POP.

I had an email in my hotmail spam folder. I moved it to the inbox and it disappeared! Possible causes of a problem 1. The email came from a private email domain eg info@companyname.com. It is a small company which uses outlook, a previous email also ended up in my spam even though it is genuine, (And I know from experience that kind of email address can cause problems in my setup) 2. Both emails had an attachment - the first one I moved using thunderbird desktop, not android, directly to the inbox of another email account with no problem. 3. All email to my hotmail automatically gets forwarded onto a gmail account (not leaving a copy in hotmail). However if I mark an email as not spam/move to inbox in thunderbird (desktop) it doesn't get forwarded on, stays in the hotmail inbox.

I have just moved another message (telling me I'd signed in here) from my spam to inbox using thunderbird android and it has appeared in my hotmail inbox - so I suspect the attachment might be the issue?

Any advice of how I can get it back? (and also what exactly caused the issue) I have searched both email accounts (including trash and spam and all mail) and it isn't appearing anywhere... searched/looked in thunderbird desktop and both email accounts online and it has gone ... Thanks

I am using thunderbird client on arch linux. I am trying to filter by adding "Reply-To" as a filter. If i look into the source of the email i am trying to filter (i get like 100s of spam messages and only the Reply To seems to be from the same domain in the end) the Reply-To appears in there.

Any idea how to fix that? The other rules work fine, this one only seems to not work

I have a recurring email which is spam at it's worse. I identified it as spam/junk, ran the filter as instructed. Will not go away. Is there anyway I can permanently get rid of it? ecare.all.r@emaildl.att-mail.com

I use Thunderbird to access my TalkTalk mail. For a few months some of my sent emails go into the recipients spam folder. I can send say 3 emails to a regular correspondent 2 out of 3 will go to spam 1 will go the inbox, or I reply to an email and similar will happen

I can't find my Junk folder on any of my three Thunderbird email accounts. I tried everything from the Thunderbird and Internet search pages but nothing brings up my Junk accounts.

My problem is that all emails to one of my email accounts goes to the Trash folder, Every time now starting this morning, The two other email accounts work properly.

Please help. Thanks.

Since I was upgraded to Thunderbird 155.0 64 bit (Meadow) snap version on my Ubuntu version 24.04 all incoming messages are going to my spam folder. I copied my old Thunderbord profile to my snap thunderbird folder to retain folders, settings etc. and although everything else works, my incoming mail is still going directly to spam. I have unchecked the 'enable adaptive spam' check box and also 'trust junk mail headers' box. I have run repair on my inbox and also the spam folder. I checked my mail server and the mail is not marked as spam there... Getting tired of manually moving messages from spam to my inbox several times a day...... Help!

My business has two domains. I can send email to a Gmail account holder using the primary domain with no issues. But amy emails from what I call the "secondary" domain below are treated as spam. This occurs with two different email addresses using the secondary domain.

Both domains are hosted with Bluehost. Exhaustive research has revealed the following:

• Settings in Thunderbird are exactly the same, e.g. ports, security, SSL/TLS, etc. for each domain.
• There is no subject line or content that could possibly be regarded as spam.
• MXToolbox indicates that the secondary domain is not on any blacklist.
• Extended support via Bluehost reveals that SPF, DKIM, and DMARC records are all correct.
• Email sent to a Gmail account using the CPanel (Roundcube) is not flagged as spam. Only emails sent via Thunderbird are flagged.
• Emails sent to a Gmail account from the secondary domain using my mobile phone, but still on the same network/IP address, are not flagged as spam.
• If I first send an email to one of the secondary domain emails FROM Gmail, then reply to it, the reply is not flagged as spam.

After many hours of head scratching (and later, head banging), I am pretty much at my wit's end with this problem. I'm an electronic engineer but this one is definitely out of my wheelhouse. Any help would most certainly be appreciated!

Thanks in advance, Don

Yesterday, 4 Sept a problem developed with my Thunderbird email, namely, when new messages were received they went directly to trash and not to my inbox, i have not tinkered with any settings, The program is on an ASUS laptop, operating Windows 11 pro.

Advice on how to fix without losing all my mail folders thank You Kenneth E. Smith

Starting today (September 3), ALL of my received emails are being put into the Spam folder instead of the Inbox.

FYI, I have been running Thunderbird (TB) for years and have not recently set up any new filters.

I'm currently running Thunderbird 64-bit version 155.0 under Windows 11 Home version 25H2. I am also running Bitdefender Total Security, but I have turned off its Antispam function, both under my usual Standard User account and the Admin account.

I have tried:

1. Going into TB Settings|Privacy & Security|Spam and clicking on "Reset Training Data." 2. After closing TB, I deleted the training.dat file in my TB profile folder and restarted TB. 3. Right-clicked on my Inbox and Spam folders and clicked on "Repair Folder." 4. Exited TB, copied my profile folder to an external HD, uninstalled TB and reinstalled TB after downloading from the official download site. 5. Rebooted my PC.

None of these approaches has worked to solve my problem.

Thanks for any help you can give.

Since some time late last night (so about 16 hours ago at most), my Thunderbird account started processing filters incorrectly on incoming emails. A number of legitimate emails were detected by filters I had set up, and deleted, although they did not appear to meet any of the criteria I put in the filter. On editing the filters, I did find some with a criteria active on the 'from' address, containing, and with a complete blank in the text box. I am not sure if this meant they were picked up by the rule, but I deleted all lines with blanks in them. Following this, some emails were still being processed as meeting the criteria of the rules, although they did not. It does now appear to have settled down, but instead, messages that I personally deleted, are not appearing in the 'deleted emails' folder until after I close down Thunderbird and re-open it again. (which is a little confusing, but I am coping). At this point I do not need any assistance, so long as this strange behaviour stops happening, but I was trying to work out if it was something in my Thunderbird programme awry, or something at the mail server, and I have not been able to confirm either, so thought I ought to let you know. I usually install Thunderbird and Firefox updates as soon as they are available when the programme notifies one is available. I do like the appearance and function of Thunderbird, and appreciate what you do - Thankyou. Best wishes, David Church

I've recently started having an issue where emails sent from my email account are being delivered, but some of them are ending up in the recipient's spam folder.

I'm using Thunderbird and the account itself appears to be working normally. I can send and receive messages without seeing any obvious errors.

I've already checked the SMTP settings, but I'm wondering if this could be related to my domain's email authentication rather than Thunderbird itself.

What should I check for SPF, DKIM, and DMARC, and is there a good way to determine whether the problem is with Thunderbird, the mail server, or the domain's email configuration?

Block advertisements in my emails, I hate this advertisements they pop up everywhere, when I type subject in my emails instead of to appear the subject contect the gambling advertisements will pop up it is very frustrating

1) How do I get the emails Thunderbird marks as spam to be moved to the Spam folder without me doing anything. I have thousands of emails now most marked as spam but I have to go in and move them one by freaking one!

2) Also you freaking filter system doesn't work worth a crap! I have created filters for instance: for any emails that have @cypress.com in the From part of the message to be moved to a folder under my inbox named Cypress. I have run it many times and actually none of the filters I've created work? They are very simple to understand and I am doing them correctly as far as I can tell but they don't work. I have created at least a dozen filters and the only emails moved are ones I moved manually myself.

And this training crap you have I don't know what you think it should take a computer to learn to move something to a folder. It's not like a child that has to be taught how to spell. You tell it if it has this in whichever field you've selected then it should move it. Not have to be taught? Not a bright idea in my opinion. It's why AI isn't very smart at least what they release to general users. Anyway I digress.

If you can help me with the above issues in the above paragraphs 1 & 3 I would greatly appreciate it.

I have been using Thunderbird since its inception. I have noticed a pattern recently where more spam and phishing messages present encryption when I "view source". Normally, the text is visible.

Just curious regarding their technique, how that works and whether it can be resolved.

I can send you a copy of the message if you are interested. It is the classic DocuSign scam.

Some good E-mails got moved into junk, so I right-clicked them and marked them as "not junk." Seconds later, they reappeared in the Junk folder.

Also, Thunderbird continues to classify messages from the same sender and even the same thread as junk. I read the doc here: https://support.mozilla.org/en-US/kb/thunderbird-and-junk-spam-messages#w_tell-thunderbird-what-is-not-junk

and the behavior is not consistent with what's described, or what anyone would expect.

Is this a known bug?

Thanks!

Hello, In our WordPress website, we have a page dedicated to our contact form. I have it connected to the email I have in Thunderbird so I can receive the forms; however, I keep getting the error of:

Mailer: Other SMTP SMTP Error: data not accepted. SMTP server error: DATA END command failed. Detail: Your message has been rejected because you have been detected sending high likelihood spam.

I saw online that I have to contact Thunderbird to resolve this issue since they are the SMTP provider. Please let me know what I should do.

(Note: I am not a coder so if I need to do any coding, please specify where I have to go and what to click)

Thank you