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Hello, I have Thunderbird 115 on a Win10 HP laptop. Until today, I could both send and receive emails OK; today, I can only receive emails, for some unknown reason I have an error message with sending only, reading: "Sending of the message failed. The message could not be sent because connecting to Outgoing server (SMTP) smtp.fastmail.com failed. The server may be unavailable or is refusing SMTP connections. Please verify that your Outgoing server (SMTP) settings are correct and try again." The SMTP settings match what is on Fastmail's website for POP3. I haven't done anything I can think of since last using Thunderbird that would trigger this. I have updated successfully to Thunderbird 128 OK and that hasn't solved the problem. The email provider is Fastmail (I've been in touch with them, they have given advice, so far, no luck), SMTP settings are on the attached image. The ISP is NBN (National Broadband Network). Antivirus software is McAfee Premium - Individual. It is really frustrating.

Years ago I created a local folder D:\mail for old mails nice to have, but not needed on the server. It works very well. But it seems that it is no longer possible to create a folder like that, separate from the rest. It seems that a new folder should either be created under the general mail account or under Local folders. So is this type a left over thing, no longer possible, but for a while maintained for compatibility?

A jpg atttachment no longer opens with right click. I have looked at settings, in files and attachments and have tried, open with photoshop elements, open with firefox, always ask, and save file. None make any difference. I can right click on the attachment and the menu says open, save etc. click on open and nothing happens.

Is there any way to get Thunderbird to display attachments in the body of an email message rather than in tabs underneath the email? There is a "Display Attachments Inline" option under "View" but attachments are in tabs whether that's checked or unchecked. I am coming from Mac Mail...and am used to seeing the attachments in the email body itself before I grab them and drag them to my desktop. They only appear as tabs in Thunderbird.

Below is an archived response of how to add multiple recipients to an email being composed:

I think the easiest way is, when you are in compose window, press F9 to bring up the address book in left column. You can tick the desired recipients and then click the Add button to place in To, CC, or BCC .

My follow-up question is "how many recipients can be added to 'To' in any one email"?

When a print of a message is needed, I hit Cntl+P. Then a preview of the print is shown. Is there a possibity to edit the data in the preview (mostly delete part of the data)? Or do I need a special program? I do not look for a possibility to edit the original message. Thanks, Paul

Approximately ten years ago, my internet service provider included a webmail account, “LIME Email Zimbra suite of communication tools” (the name of my internet service provider at that time was “LIME”) with the internet service they provided. I used this with “Thunderbird” until recently basically without any problems. However, during 2024 I started to get many scam email problems. Late in 2024, the bank with which I have my bank accounts here, recommend that I cease using the Zimbra suite and transfer all my dealing with them to a Gmail account as they feared that I would probably be hacked. I have done that but problems remain with it.

A few weeks ago this got worse and I got over 200 emails for LIME's (now named FLOW) Billpay system advising of overdue accounts, none of which were mine. I have reported this to FLOW but that have given me no assistance. I understand that they intend phasing out use of the Zimbra suite.

Currently, both the Zimbra and Gmail accounts are integrated into Thunderbird on my system.

My question is, can I remove the Zimbra suite completely and incorporate this into my Gmail account?

Can you please assist on this?

"Nothing happens here" after the Microsoft OS install Thunderbird stopped working. I had no menu bar but it did download messages. I reinstalled Thunderbird and it installed Outlook then Thunderbird. I have a menu bar but none of the tasks is accessible. It downloads messages but I cannot open, delete or move them. I need to go to task manger to close the app. When I go there, there are multiple tasks for Thunderbird. Tried a shift start but I could not even see the inbox after deselecting addons. Just the menu bar and the rest is a blank page.

Tried a screen shot but this does not work.

I am having a problem with receiving emails that are someone replying to an email I sent. I don't hear back from them and when I give them a call to see why they haven't responded they say, yes they have. So I go and type their name in the search bar at the very top and it shows me their responses and says that the email is in my inbox but it isn't! How do I figure out where these emails actually are and how can I get it to stop doing this?

Last emails I have received through Thunderbird on my computer was April 17, 2025. the email provider is shaw.ca. I still receive emails since then on my phone or on my computer when I login to the shaw webmail site. How can I fix this?

My printer only prints blank pages from the Thunderbird email. It prints normally from every other source. Can you tell me how to fix this problem. Thank you, Bryan