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emails with a PDF attachment are not being sent, the error says -SMTP Related Error: Mailbox Unavailable

We have our accounts on one computer and one dedicated email (using Thunderbird) which sends our invoices to our customers in PDF format as an attachment to an email. Thi… (read more)

We have our accounts on one computer and one dedicated email (using Thunderbird) which sends our invoices to our customers in PDF format as an attachment to an email. This stopped working a few days ago. The tech department of our accounts package supplied by Benchmak/Snip has looked at our system and the only thing they can suggest is that the emails are being blocked because may be Thunderbird thinks they are SPAM. We have been using this system for a couple of years now and has been fine. We can send and receive emails to/from this account, it's only the PDF attachments of invoices which isn't working. Can any one help please, thank you.

Open 1 310

When attaching a file to a message, file explorer opens then immediately closes.

After creating an email message, I click on attachment button to attach a file or pdf document to the message. The file explorer screen opens for a second then closes, gi… (read more)

After creating an email message, I click on attachment button to attach a file or pdf document to the message. The file explorer screen opens for a second then closes, giving me no opportunity to attach anything.

Open 7 310

E-Mail Anhang wird beim Verfassen einer Mail erst verspätet angezeigt

Ich benutze Firefox auf zwei Windows 11 Rechnern. Die Version ist auf beiden Rechnern gleich, (149.9 esr 32Bit ) , beide Rechner greifen im Fall des Verfassens einer E-Ma… (read more)

Ich benutze Firefox auf zwei Windows 11 Rechnern. Die Version ist auf beiden Rechnern gleich, (149.9 esr 32Bit ) , beide Rechner greifen im Fall des Verfassens einer E-Mails mit Anhängen auf einen gemeinsamen Speicher über LAN zu, seit kurzem gibt es bei einem der beiden Rechner aber beim Anhängen einer Datei an die Mail eine Verzögerung von ca. 5 Sekunden, bevor der Anhang auftaucht, unabhängig von dessen Größe. ( Also auch kleine Pdf´s werden verzögert angezeigt.) Der zweite Rechner hat das Problem nicht, selbst bei grösseren Anhängen. ( Auch sind die Rechner fast bau-und ausstattungsgleich ) Testprogramme auf dem Problem-PC zeigen keine Auffälligkeiten beim Schreiben und Lesen, auch die Internet-Verbindung ist die gleiche... Habe bereits die Einstellungen der Konten und des Programms in beiden Rechnern verglichen, sie sind gleich. Hat jemand eine Idee, woran das liegen kann?

Grüsse, Martin

Open 5 229

How to hide the attachments from an attached EML file

Hello, Need help with the following as its creating confusing attachments. Whenever someone attaches an EML file to an email, the attachement pane shows the EML file AN… (read more)

Hello,

Need help with the following as its creating confusing attachments. Whenever someone attaches an EML file to an email, the attachement pane shows the EML file AND the attachments from said EML file along with any other attachement, is there a way to not show the EML attachments to avoid any confusion and not download repeated older attachments?

Open 1 200

incoming email size and attachment image storage and efficiency

hello, i cannot seem to find a solution online, hopefully someone can help. i often receive emails with images attached, and most of the time people don't resize their im… (read more)

hello, i cannot seem to find a solution online, hopefully someone can help.

i often receive emails with images attached, and most of the time people don't resize their images. you can imagine over time this all adds up in the email storage folder total size.

i dont always need to keep a 6mb image version, it can be reduced after i am done.

i would like a method to resize the received emails image attachment, to at least still have a smaller copy for refence, but not end up with a huge thunderbird email account profile (in the email received not externally saved)

preferably a one click solution, or even a routine i can run on the file system, etc. or some way to edit the received email and its attachment in program.

thanks

Open 10 189

incoming email image attachment sizes too large need resize

hello, i cannot seem to find a solution online, hopefully someone here can help. i often receive emails with images attached, and most of the time people don't resize t… (read more)

hello, i cannot seem to find a solution online, hopefully someone here can help.

i often receive emails with images attached, and most of the time people don't resize the image. so you can imagine over time this all adds up. i dont always need to keep a 6mb image versions. i would love if there is a way to resize the email image attachment, to at least still have a smaller copy for refence, but not end up with a huge email account (local/pop3)

preferably a one click solution, or even a routine i can run on the file system, etc.

thanks

Open 8 180

Changing the position of attachments in a message

Hello, I’ve just started using Thunderbird and I really like it so far. I have one question regarding attachments. In emails that include attachments, is it possible to c… (read more)

Hello, I’ve just started using Thunderbird and I really like it so far.

I have one question regarding attachments. In emails that include attachments, is it possible to change how the attachment area is displayed? Currently, it appears as a single line at the bottom of the message. Ideally, I’d like to have it displayed more prominently, preferably at the top of the message, similar to how it appears in Outlook.

So far, the only adjustment I’ve made is setting mailnews.attachments.display.start_expanded to always show attachments expanded. Are there any other settings or methods to further customize the attachment view or position?

Thank you in advance.

Open 4 160

increase the attachment size to 100MB?

Good day, I am a TB user (for work) and i love it, the main reason being the fact that it's simple, compared to MS Outlook, for example. Easy to use, intuitive for new us… (read more)

Good day,

I am a TB user (for work) and i love it, the main reason being the fact that it's simple, compared to MS Outlook, for example. Easy to use, intuitive for new users, and so on. So congrats to everyone for keeping it simple! :)

Now, an issue i've come across recently. More and more people send documents as .jpeg, pictures taken by smartphones. And, as everyone knows, the recent models have increased the MB of each camera. And most people sadly keep the max resolution, best quality, like you'd use when going on a holiday. But you don't need this when you take a picture of an invoice or a gas receipt. This results in very large attachments, esp. when you add several pics to an email.

The current limit seems to be 25MB (i got this from Google, didn't see any mention of a limit in TB help?!). So my question is simple: can I, a user, increase this limit somehow? Or is it a dev related setting? If users can, please guide me through some options/menus because i haven't found any. I use the latest version, 140.8.0esr. A realistic limit, imho, would be 100MB/email.

Also, kindly please keep feedback on topic, I am not interested in sharing, or sending in any other ways, like wetransfer, google drive, one drive, etc.

Thank you!

Open 2 120

Thunderbird all of the sudden will not accept photos or document attachments to send.

T-Bird, Using the latest version of Thunderbird, all of the sudden I cannot attach/send photos or documents. The 'send to' mail icon in the menu is not lit up to accept … (read more)

T-Bird,

Using the latest version of Thunderbird, all of the sudden I cannot attach/send photos or documents. The 'send to' mail icon in the menu is not lit up to accept the attachment. The message come back 'no file associated'. My defaults are as they were. I have been using Thunderbird email client for likely twenty years. What has changed and how can I get my Windows 11 to recognize again? Would reloading the program help? Any information/help would be much appreciated as I am not a system dive in file changing techie. Thanks, Doug

Open 1 100

Attachment window gone

What happened to the useful top right window box for attachments on my outgoing emails, can I return it? It's gone to the bottom and is really annoying, I mean who decid… (read more)

What happened to the useful top right window box for attachments on my outgoing emails, can I return it? It's gone to the bottom and is really annoying, I mean who decides these useless and unhelpful changes?

Open 3 90

Is there a way to report a problem with printing color PDF files?

Does Thunderbird use an internal PDF print driver? I can't print PDF attachments in color from an email. I've checked my print settings but Thunderbird only prints blac… (read more)

Does Thunderbird use an internal PDF print driver? I can't print PDF attachments in color from an email. I've checked my print settings but Thunderbird only prints black. If I save the PDF file and then double click it, Adobe comes up and prints it full color. I'd appreciate it if it can brought to soneones attention.

Thank you.

Open 1 90

Unable to open an attachment in Thunderbird. "Word cannot open the existing file."

I am working on a new laptop running Windows 11. Thunderbird was successfully installed a week ago and was running fine until I made a change related to OneDrive - attem… (read more)

I am working on a new laptop running Windows 11. Thunderbird was successfully installed a week ago and was running fine until I made a change related to OneDrive - attempting to remove OneDrive as a default location for files. later, I attempted to open an MS Word attachment to an email and got this message from Microsoft Word: "Unable to open the existing file: (C:\Users\..(myname)..\AppData..\Normal.dotm)".

I think my OneDrive action - removing a OneDrive folder from my C:/Users/..(name)../ location on my laptop - per Windows support directions, caused this. Maybe a disconnect between Thunderbird and MS Word? I can open other file types that are attachments.

Can you help explain and correct this problem?

Thanks

Open 1 70

How to see attachments in Thunderbird

Hi everyone, I’m new to Thunderbird. I’m using version 149.0.2 (aarch64), and I’ve noticed that when I receive one or more attachments, I only see a file called winmail.d… (read more)

Hi everyone,

I’m new to Thunderbird. I’m using version 149.0.2 (aarch64), and I’ve noticed that when I receive one or more attachments, I only see a file called winmail.dat.

Is there a way to view the actual attachments, whether they are PDFs or other file types? Thank you!

Open 4 60

Attachments are not visible from the message display pane in incoming emails in Thunderbird.

The attachment icon is missing from the message display pane in incoming emails in Thunderbird. Before it was always displayed at the bottom of the window. I have 'Disp… (read more)

The attachment icon is missing from the message display pane in incoming emails in Thunderbird. Before it was always displayed at the bottom of the window. I have 'Display Attachments Inline' checked and I also repaired the Inbox folder but still no icon visible. I am using the latest version of Mozilla Thunderbird 151.0.

Open 1 60